Select the correct answer.
What is the value of xin 2(5x) = 14?

Answers

Answer 1

Answer: x= 1.4 or x=7/5

Step-by-step explanation:

2(5x)=14

Divide both sides by 2

5x=7

divide again this time both sides by 5 to solve for x

x=7/5 or 1.4 as a decimal


Related Questions

A 7-meter roll of yellow fabric costs $24.64. What is the unit price?

Answers

Answer:

3.52 is the unit price

Step-by-step explanation:

The only thing that you need to do do for know the answer is to divide 24.64 by 7

find the L. C. M of no h and j​

Answers

L.C.M= (4x^2+y^2+2xy)(4x^2+y^2_2xy)(2x_y)(2x+y)

Answer:

question no. h is solve above therefore I solve question no j . hope this will help you ☺️

5-81. Scientists hypothesized that dietary fiber would impact the blood cholesterol level of college students. They collected data and found r = -0.45 with a scattered residual plot. Interpret the scientists' findings in context. Hint: r stands for correlation coefficient)​

Answers

Step-by-step explanation:

It shows that the content of dietary fiber is negatively correlated to the blood cholesterol of college student, as the correlation coefficient is negative. However, the r=-0.45 shows the two factors are lowly correlated (absolute value of r between 0.3 and 0.5)

the length of a sandbox is three feet longer than it’s width. Write the expression that would represent the area of the sandbox.

Answers

Part A : D.)

Part B : Length of the sandbox is 10 feet.

Step-by-step explanation:

Given,

Perimeter = 29 ft

We need to find the equation for the perimeter and also the length of the sandbox.

Solution,

Let the width of the sandbox be 'w'.

Now as per question said;

The length of the sandbox is 1 foot longer than twice the width of the sandbox.

So we can say that;

Length =

Now we know that the perimeter is equal to the sum of twice of length and width.

framing in equation form, we get;

Perimeter =

we have given the perimeter, so on substituting the value, we get;

Hence The equation used to find the width is  .

Now we solve for 'w'.

Applying distributive property, we get;

Subtracting both side by '2' we get

Dividing both side by 6 we get;

Width of the sandbox = 4.5 ft

Length of the sandbox =

Hence Length of the sandbox is 10 feet.

Question
Julio is paid 1.1 times his normal hourly rate for each hour he works over 31 hours in a week. Last
worked 39 hours and earned $553.22.
Enter and solve an equation to find Julio's normal hourly rate, 1. Complete the explanation how you
that your answer is reasonable.
The earnings equation is 5553.22 =
Julio's hourly rate iss
per hour.
This is reasonable because working 39 hours at a rate of $14 per hour is
39.14 39(10 - 4) = 390 + 156 =
and s
is close to $553.22.

Answers

Answer:

Last worked 39 hours and earned $553.22. Enter and solve an equation to find Julio's normal hourly rate,

A ribbon is cut into n parts. The length of each part increases such that they form a geometric progression. SPM Given the length of the fourth part of the ribbon is 9 times the length of the second part of the ribbon.

(a) Calculate the common ratio.

(b) If the total length of the ribbon is 1 476.2 m and the length of the first part is 5 cm, calculate

(i) the value of n,

(ii) the length, in cm, of the last part of the ribbon. panjang,

Answers

Answer:

Step-by-step explanation:

[tex]Let\ say\ r \ the \common\ ratio:\\a)a_4=r^2*a_2=9*a_2\Longrightarrow\ r=3\ (not\ -3\ since\ parts\ are\ positive)\\\\b)\\\displaystyle \sum_{i=1}^{n} a_i =a_1+a_2+a_3+...+a_n\\\\=a_1+a_1*r+a_1*r^2+a_1*r^3+...+a_1*r^{n-1}\\\\=a_1*(1+r+r^2+...+r^{n-1})\\\\=a_1*\dfrac{r^n-1}{r-1} \\\\147620=5*\frac{(3^n-1)}{3-1} \\\\3^n-1=\frac{2*147620}{5} \\\\3^n=59049 \\\\n*ln(3)=ln(59049)\\\\n=\dfrac{ln(59049)}{ln(3)} \\\\n=10\\\\a_n=5*3^{10-1}=5*19683=98415(cm)[/tex]

Tìm tập giá trị y = x² - căn 4 - x²

Answers

Answer:

0 and 2 s the answer

What is 5 2/3 in radical form?



Answers

5^(2/3)=25^(1/3)
Third one ( the one below your selection)

number name of 6 ,04,57,981​

Answers

Answer:

six crore four lakh fifty seven thousand nine hundred eighty one

The measures of the angles of a triangle are shown in the figure below. Solve for x.

Answers

Answer:

x = 21

Step-by-step explanation:

72+46+(2x+20)=180

118+20+2x=180

138+2x=180

138-138+2x=180-138

2x=42

2x/2=42/2

x=21

Real quick

what is the radius of 16 cm simplest form

Answers

Answer:

8cm

Explanation:

If the 16 cm is the diameter then the radius is 8 cm

PLEASEEEEE HELLLLPPP

Answers

Answer:

35 Degrees

Step-by-step explanation:

Angle JKL is reffering to the whole angle. The angle is split into two, it gives us the measurement for angle 1 which is 38 degrees. To find the answer we simply subtract angle m from angle JKL. 73-38 = 35... So angle 2 is 35 degrees.

35 , it gave you the amount of JKL. So you do 73-38 and get 35

Solve the equation -13=m/-5

Answers

Answer:

m = 65

Step-by-step explanation:

Given

- 13 = [tex]\frac{m}{-5}[/tex] ( multiply both sides by - 5 )

65 = m

write down the types of polynomial according to number of terms of the polynomial ?​

Answers

Answer:

Monomial, Binomial, and Trinomial.

in the diagram triangle BCD is mathematically similar to triangle ACE

Answers

Answer:

3

Step-by-step explanation:

atch help video
Find the distance between the two points rounding to the nearest tenth (if necessary).
(8, 2) and (-1,5)
Answer:
Submit Answer
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984
13
1.244
ALO
26
otv

Answers

Answer:

d ≈ 9.5

Step-by-step explanation:

Calculate the distance using the distance formula

d = [tex]\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }[/tex]

with (x₁, y₁ ) = (8, 2) and (x₂, y₂ ) = (- 1, 5)

d = [tex]\sqrt{(-1-8)^2+(5-2)^2}[/tex]

   = [tex]\sqrt{(-9)^2+3^2}[/tex]

   = [tex]\sqrt{81+9}[/tex]

    = [tex]\sqrt{90}[/tex]

    ≈ 9.5 ( to the nearest tenth )

What is 50 percent of 320?

(Please explain in detail also)

Answers

Answer:

50 Percent of 320 is 160. 30 divided by 5, is 15, meaning that 300 divided by 5 will be 150. Divide 20 in half, and you get 10. Your answer is 150+10=160

Step-by-step explanation:

How many terms are in the expression a3 + 3a2b - 4ab - 11b + 7?

6
7
5
4

Answers

Answer:

5 Terms

Step-by-step explanation:

First we will count how many terms are there in this expression

a3

3a2b

-4ab

-11b

7

There are total 5 Terms in this expression

there are 4 terms in the expression.

Use the distributive property of multiplication to find 6×24.

Hint: 24= 4+20.

Answers

Answer:

see explanation

Step-by-step explanation:

6 × 24 ← replace 24 by 4 + 20

= 6(4 + 20) ← multiply each term in the parenthesis by 6

= 24 + 120

= 124

change this recurring decimal into fraction​

Answers

Answer:

[tex] \frac{3393939}{10000000} [/tex]

Step-by-step explanation:

[tex]0.(3)3(9) = \frac{3393939}{10000000} [/tex]

AYUDENME PLIS PLIS PLIS

Answers

You need help ? Don’t worry I got you I have no idea what you’re spelling and I’m still going to help the answer is 2

How can you convert 0.23 into a fraction?

Answers

Answer:

First take 0.23 as 0.23/1

Then Multiply the numerator and denominator by any number, Let us say 100

So it becomes,

0.23 x 100/100

=> 23/100

A bag of flour is 2.26 kg how much does it weigh round to the nearest pound

Answers

The answer is 5
Change 2.26kg into pounds, you get 4.98244713…….
This rounds up to 5 pounds
i would say round to 5 pounds


Find the circumference of a circle that has a diameter of 70 cm.

Answers

Answer:

70 pi cm

219.80 cm

219.9114858 cm

Step-by-step explanation:

The circumference of a circle is given by

C = pi*d

C = pi * 70cm

Using 3.14 for pi

C = 219.80cm

Using the pi button

219.9114858cm

Circumference of circle = 2πr

π = 3.14 r = diameter/2 ; 70/2 = 35

Hence , r is 35 cm

r denotes radius of circle

⇛Circumference of circle = 2πr

⇛Circumference of circle = 2*3.14*35

⇛Circumference of circle = 6.28*35

⇛Circumference of circle = 219.8 cm

Hence , Circumference of circle is 219.8 cm

3p^2-7p-6,Factorise.







Answers

Step-by-step explanation:

3p²-7p-6

Now, 9-2=7 and 9×2=18

3p²-9p+2p-6

By taking out common, we get

3p(p-3)+2(p-3)

(3p+2)(p-3)

Answer:

(3p + 2)(p - 3)

Step-by-step explanation:

[tex]3p^2-7p-6\\(3p+2)(p-3)[/tex]

calculate a length of a square ground of perimeter 160m​

Answers

Square Perimetre = Side x 4
So a length of a square ground is 160/4 = 40 (m)

A projectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 640t. After how many seconds does the projectile take to reach its maximum height? Show your work for full credit

Answers

Answer:

20 seconds

Step-by-step explanation:

h(t) = -16t2 + 640t

to find the maximum value =>

h'(t) = 0

-32t + 640 = 0

-32(t -20)= 0

t-20 = 0

t = 20 seconds

Find derivative of h(t)

[tex]\\ \rm\longmapsto \dfrac{d}{dx}(-16t^2+640t)[/tex]

[tex]\boxed{\sf \dfrac{d(x^n)}{dx}=nx^{n-1}}[/tex]

[tex]\\ \rm\longmapsto -32t+640[/tex]

Now its be 0

[tex]\\ \rm\longmapsto -32t+640=0[/tex]

[tex]\\ \rm\longmapsto -32t=-640[/tex]

[tex]\\ \rm\longmapsto t=\dfrac{-640}{-32}[/tex]

[tex]\\ \rm\longmapsto t=20s[/tex]

help me please its urgent

Answers

15 dimes = $1.50
20 nickels = $1.00
19 pennies =$0.19
8 quarters = $2.00
half a dollar = $0.50
altogether = $5.19
if he spends $5 then you subtract $5 from $5.19. so $5.19-$5=$0.19
so the answer is “A”

Hi,

Answer is $0.19

Step-by-step explanation:-

We know that:-

15 dimes = $1.50

20 nickels = $1.00

8 quarters = $2.00

half dollar = $0.50

19 pennies = $0.19

Total = $5.19

Since Billy spended $5, so,

$5.19 - $5 = $0.19

Hope it helps you...

Please help ❤️

Naming Polynomials

Name each polynomial by degree and number of terms.

1) 3

2) 6a3

3) 9m + 5m² + 10m3 - 5

4) -9x + 4x2 – 2x3 - 10x?

5) 5

6) -7 + 3n3

7) -a"

8) -2 + 6x - 72

9) 6

10) 10.rº

11) 6r* – 2x

12) 9+ 4m?

13) -3n

14) -ns

Answers

Please help ❤️

Naming Polynomials

Name each polynomial by degree and number of terms.

1) 3

2) 6a3

3) 9m + 5m² + 10m3 - 5

4) -9x + 4x2 – 2x3 - 10x?

5) 5

6) -7 + 3n3

7) -a"

8) -2 + 6x - 72

9) 6

10) 10.rº

11) 6r* – 2x

12) 9+ 4m?

13) -3n

14) -ns

ans

4) -9x + 4x2 – 2x3 - 10x?

please please please help me i really need it asap.

Answers

Answer:

[AF is equal to FE, CD + DE = CE]

a).

[tex]AM = \frac{1}{2} AD \\ \\ AM = \frac{15}{2} \\ \\ AM = 7.5[/tex]

b).

[tex]MF = \frac{1}{2} CF \\ \\ MF = \frac{7}{2} \\ \\ MF = 3.5[/tex]

c).

[tex]MB = ME \\ 6 = 4x - 5 \\ 4x = 11 \\ x = \frac{11}{4} \\ \\ x = 2.75[/tex]

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