Donna bought a candy bar for $1.50.
She paid with nickels and dimes.
She used 21 coins in all. How many
nickels (n) and how many dimes (d)
did she use?

Answers

Answer 1

Answer:

12 Nickels & 9 Dimes

Step-by-step explanation:

Systems of Equations

0.05x + 0.10y = 1.50

x + y = 21

Find the intercept and you get (12,9)


Related Questions

A skateboard is originally priced at $130. The online retailer gives a discount and the skateboard is now priced at $78. Enter the percentage discount for the cost of the skateboard. Pls answer

Answers

Answer:40%

Step-by-step explanation:

is y=3x-1/2 linear or non linear

Answers

Answer:

linear

Step-by-step explanation:

Answer:

Linear

Step-by-step explanation:

A linear equation is an equation of a straight line, which means that the degree of a linear equation must be  0  or  1  for each of its variables. In this case, the degree of variable  y  is  1  and the degree of variable  x  is  1 .

According to the graph below what is the ordered pair that represents the unit rate

Answers

Answer:

10:1

Step-by-step explanation:

based on the results if 189 pizzas were sold, then how many could be expected to be cheese

Answers

Answer:

approximately 32

Step-by-step explanation:

Use the polygon on the coordinate plane to complete the statements.
point A is at
point b is at
the polygon has sides
this polygon is a ​

Answers

Answer:

On a coordinate plane, point A is 4 units to the left and 4 units up. Point B is 5 units to the left and 1 unit up. Point C is 1 unit to the left and 4 units down. Point D is 4 units to the right and 2 units down. Point E is 5 units to the right and 2 units up. Point F is 2 units to the right and 5 units up.

Use the polygon on the coordinate plane to complete the statements.

Point A is at

✔ (–4, 4)

.

Point B is at

✔ (–5, 1)

.

The polygon has

✔ 6

sides.

This polygon is a

✔ hexagon

Step-by-step explanation:

A polygon is a planar figure characterised by a limited number of straight-line segments joined. The Point A is at (-4, 4). The Point b is at (-5, 1). The polygon has 6 sides. This polygon is a ​Hexagon.

What is a polygon?

A polygon is a planar figure characterised by a limited number of straight-line segments joined to create a closed polygonal chain in geometry. A polygon is defined as a bounded planar region, a bounding circuit, or both.

A hexagon is a six-sided closed two-dimensional polygon with six sides. Hexagons have six vertices and six angles. Gonia denotes angles and Hexa indicates six. Examples. There are no examples.

For the given polygon on the coordinate plane, the following sentence can be completed as shown. Therefore, we can complete the sentence as,

The Point A is at (-4, 4).The Point b is at (-5, 1).The polygon has 6 sides.This polygon is a ​Hexagon.

Learn more about Polygon:

https://brainly.com/question/10441863

#SPJ5

Marcus is buying candy by the pound for a party. For every 10 pounds of candy
he buys, he pays $12.50. What is the cost, per pound, for the candy?

Answers

Answer:

Step-by-step explanation: answer 1.25 per pound

Someone help meeeee i need this answer ASAP

Answers

Answer:

dogs sold = 6

burgers sold = 11

Step-by-step explanation:

B = 2H-1

1.50H + 2.00B = 31.00

substitute for B

1.5H + 2(2H-1) = 31

1.5H + 4H-2 = 31

5.5H = 33

H = 6

B = 11

Susan had 30 items of clothing in her wardrobe. She donated 20% of her clothing during a charity clothing drive at the school. How many items of clothing did Susan donate?

Answers

she donated 6 items.

PLZZZZZ HELP MEEE
Which situation can be represented by 17.35x > 624.60?



A. A waitress had received a $17.35 tip. This brought her total in tips to more
than $624.60. How much money in tips did she have before the $17.35 tip?


B. Brianda made a deposit of $17.35 into a savings account. This brought the
total in her savings account to $624.60. How much money did she have in
this savings account before she made the deposit?


C. A dozen tamales cost $17.35 including tax. How many dozen tamales can a
customer buy with $624.60?


B. Darren earns $17.35 per hour at his job. How many hours does he need to
work in order to earn more than $624.60?

Answers

Answer:

B?

Step-by-step explanation:

I am assuming the > is meant to be an = though

Missy uses 1 hexagonal, 3 rectangular, and 4 triangular pieces of fabric to make 1 bug design for a quilt. If she uses 80 pieces in all to make bug designs, how many of each shape does she use?

Answers

Answer:10 hexagonal, 30 rectangular and 40 triangular pieces of fabrics

Step-by-step explanation:

This question is a ratio/proportion question

The ratio of hexagonal pieces use to rectangular pieces used and to triangular pieces used can be expressed as 1:3:4

Total pieces of fabrics used = 80

Total ratio = 1 + 3 + 4 = 8

We can calculate each ratio as a proportion of the total ratio

pieces of hexagonal used = (1/8) * 80 =10

Pieces of rectangular used = (3/8) * 80 =30

Pieces of triangular used = (4/8) * 80 = 40

And hence the pieces of each shapes used will be 10 hexagonal, 30 rectangular and 40 triangular pieces of fabrics

And the total number of bugs designs made = (80/8) = 10 (since it will require 8 pieces of fabrics(1 + 3 +4) to make a bug design)

The perimeter of two similar polygons are in the ratio 1:25. If the length of one side is the smaller polygon is 3 centimeters what is the length of the corresponding side?

Answers

Answer:

75cm

Step-by-step explanation:

The perimeter of two similar polygons are in the ratio 1:25. If the length of one side is the smaller polygon is 3 centimeters what is the length of the corresponding side?

Ratio is given as:

Small : Large

1 : 25

Smaller polygon length = 3cm

Therefore, the length of the larger polygon = x

Hence we have the proportion:

1/25 = 3/x

Cross Multiply

x × 1 = 25 × 3

x = 75 cm

The length of the corresponding polygon = 75cm

At the park, Trevor plays basketball with friends for 2/3 hour. Then he and his friends climb trees for 1/2 hour. What expression can be used to find the total amount of time Trevor spends playing basketball and climbing trees?

Answers

Answer: See explanation

Step-by-step explanation:

From the question, we are informed that Trevor plays basketball with friends for 2/3 hour and that he and his friends climb trees for 1/2 hour.

The expression cmthat can be used to find the total amount of time Trevor spends playing basketball and climbing trees will be:

= 2/3 + 1/2

= 4/6 + 3/6

= 7/6

= 1 1/6 hours or 1 hour 10 minutes

12. If f(x) = 2 + 3x – 5, find the value of f(3).

Answers

[tex]\huge\text{Hey there!}[/tex]

[tex]\mathsf{f(x) = 2 + 3x - 5}\\\mathsf{f(x) = 2 + 3(3) - 5}\\\mathsf{f(x) = 2 + 9 - 5}\\\mathsf{f(x) = 11 - 5}\\\mathsf{f(x) = 6}\\\\\\\huge\text{Therefore, your answer should be:}\\\huge\boxed{\mathsf{f(x) = 6}}\huge\checkmark[/tex]

[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

Answer:

[tex] \sf \: f(3) = 6[/tex]

Step-by-step explanation:

Given function,

→ f(x) = 2 + 3x - 5

Now we have to,

→ Find the required value of f(3).

Then the value of f(3) will be,

→ f(x) = 2 + 3x - 5

→ f(3) = 2 + 3(3) - 5

→ f(3) = 2 + 9 - 5

→ f(3) = 2 + 4

→ [ f(3) = 6 ]

Hence, the value of f(3) is 6.

HELP I NEED HELP ASAP

Answers

Answer:

C. strong negative

Step-by-step explanation:

The reason why is because, the student's grade is falling dramatically while they watch TV. So therefore, we can erase A and D. B maybe however, it isn't "weak" but it is a heavy decrease. Therefore, your answer would be C.

(x+1)(x+2) The degree of the polynomial is

Answers

a degree of a polynomial is the greatest power in it

first expand

(x+1)(x+2)

x²+3x+2

the greatest power here is 2

so the degree of this polynomial is 2

It takes 36 slices of pepperoni to make 4 pizzas. How many pizzas can be made using 90 slices of pepperoni?

Answers

Answer:

10.

Step-by-step explanation:

First, we take 36 and divide it by 4.

[tex]\frac{36}{4} = 9.[/tex]

Now, we take 90 divided by 9.

[tex]\frac{90}{9} = 10.[/tex]

10 pizzas can be made with 90 slices of pepperoni pizza.

Answer:

10 pizzas

Step-by-step explanation:

Dan has 108 muffins, which he needs to box up, 6 of which are blueberry, into dozens. How many boxes does he need?

Answers

Answer:

9 Boxes

Step-by-step explanation:

Take 108 and divide by 12

can I get help with this​

Answers

Answer:2

Step-by-step explanation:

Answer:

1.375  is the answer

Step-by-step explanation:

We can use the rule PEMDAS (Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).) to solve this!

= 9+6*(1)/(7+9)-8

= 9+6*1/(7+9)-8

= 9+6*1/(16)-8

= 9+6*1/16-8

= 9+6/16-8

= 9+0.375-8

= 9.375-8

= 1.375

What number would you need to multiply the 3 by in the quivalent ratios below

Answers

Answer:

3.0

Step-by-step explanation:

bcbcbbcbc

EASY 7TH GRADE MATH 6 out of 8 dentists recommend crest toothpaste. In a group of 156 dentists, how many of them recommend crest?

Answers

Answer:

117

Step-by-step explanation:

6/8 = ?/156

156/8 = 19.5

19.5 x 6 = 117

6/8 = 117/156

Answer:

117

Step-by-step explanation:

156 x 6/8 = 117

To find the zeroes of polynomials we:
Plz help me !!

Answers

Answer:

divide the zero

Step-by-step explanation:

^Solve for x. Please help me if you can I really need the answer

Answers

Answer:

x ≈ 25.1

Step-by-step explanation:

Using the sine ratio in the right triangle

sin26° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{11}{x}[/tex] ( multiply both sides by x )

x × sin26° = 11 ( divide both sides by sin26° )

x = [tex]\frac{11}{sin26}[/tex] ≈ 25.1 ( to 1 dec. place )

"Correct" Answer:

53

Step-by-step explanation:

It's automadically 90 degrees because it's an acute angle, so you add 11 + 26 which gives you 37. Subtract 90 from 37 and it gives you 53, the variable.

26 + 11 = 37

90 - 37 = 53

What is the volume in cubic meters of the triangular pyramid shown below?
6.6 m
3 m
8 m

Answers

It would probably be C

*EXTRA POINTS* Identify each pair of angles as-----
vertical, supplementary, corresponding, alternate interior, alternate exterior, or consecutive (same-side) interior:

Answers

Answer:

7 alternate interior

8 vertical angles

9 corresponding

Step-by-step explanation:

Answer:

sorry i don't rlly know

Step-by-step explanation:

Add (8b - 7) + (6b + 8) simplify the answers. Pls show steps

Answers

i’m not rlly sure if i did it right & i’m sorry if i didn’t. i used the FOIL method
f= first to first
o=outer to outer
i=inner to inner
l= last to last
so it’d be
8b + 6b = 14b (f)
8b+ 8=16b(o)
-7+6b=-1b(i)
-7+8(l)
and then you add like terms so
[14b+16b-1b]+1
= 29b+1

The product of two numbers is -12. One of the numbers is 4. What is the
other number? _____

Answers

Answer:

-3

Step-by-step explanation:

4*-3=-12

Answer:

-16

Step-by-step explanation:

Easy answer. -16+4=-12

A car travels 256 miles in 4 hours. How many miles does it travel per hour?

Answers

Answer:

64 is the answer glad to help

what is 5 + 5 + 5 + 5 equals 550 ​

Answers

5 + 5 + 5 + 5 equals 550 ​lgjf8654

Answer: No

Step-by-step explanation:

5+5 is 10 then add 5 and its 15

Hope this helps if it does pls mark me brainiest.

PL has endpoints P(4, −6) and L(−2, 1).

The segment is translated using the mapping (x, y) → (x + 5, y).

What are the coordinates of P’ and L’?
P’(9, -6), L’(-2, 1)
P’(4, -6), L’(3, 1)
P’(9, -6), L’(3, 1)
P’(9, -1), L’(3, 6)

Answers

Answer:

C - P’(9, -6), L’(3, 1)

Step-by-step explanation:

Answer:

C is the answer

Step-by-step explanation:

Hit the THANKS Button and rate!

  V              

  V

  V

  V

  V

A-32 feet
B-76 feet
C-16 feet
D-48 feet
help!

Answers

Answer:

C

Step-by-step explanation:

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Unlikethe Arawaks, they had no permanent chiefs or leaders, except in times of strife. And they wereextremely warlike. Worse, they were cannibalistic, eatingthe enemy warriors they captured. In fact,the very word cannibal comes from the Spanish name for the Carib Indians.The Spanish arrived in the fifteenth century, and, unfortunately, they carried diseases to whichthe Indians had no immunity. Many Indians succumbed to common European illnesses; others diedfrom the hard labor forced upon them. What is the sum of the degrees of the interior angles of a 19-gon PLEASE HELPPPPPWhat is a Gamete? Eric wants to invest in government securities that promise to pay $1,000 at maturity. The opportunity cost (interest rate) of holding the security is 13.80%. Assuming that both investments have equal risk and Erics investment time horizon is flexible, which of the following investment options will exhibit the lower price?a. An investment that matures in four years b. 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