One number is 3 more than 4 times the second number. Their sum is 43. Find the numbers. Answer : The numbers are , .

Answer:

this might help.......

Answer:

A)20°

Step-by-step explanation:

As we know a triangle contains 180°

So according to the question

The equation is

25°+135°+x=180°

160°+x=180°

x=180°-160°

x=20°

Answer:

<LNK = 20°

Step-by-step explanation:

[tex]angles \: of \: triangle \: add \: upto \: {180}^{0} \\ in \: that \: scalene \: triangle \\ {25}^{0} + {135}^{0} + < lnk = {180}^{0} \\ < lnk = {180}^{0} - ( {135}^{0} + {25}^{0} ) \\ < lnk = {20}^{0} [/tex]

[tex](1 - 3k) + (2 + 2.5k)[/tex]

[tex] = 1 - 3k + 2 + 2.5k[/tex]

[tex] = (1 + 2) + ( - 3k + 2.5k)[/tex]

[tex] = 3 + ( - 0.5k)[/tex]

[tex] = 3 - 0.5k[/tex]

Answer: 6

Step-by-step explanation:

Maybe

Answer:

Step-by-step explanation:

D

Answer:

I think its B

Hope this helps

Answer:

I think its SAS but it i took geometry 2 years ago so im not 100% sure

Step-by-step explanation:

Answer:

8

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Step-by-step explanation:

Step 1: Define

6(x - 2) = 36

Step 2: Solve for x

Step-by-step explanation:

Conversion between Miles and Kilometer:

1 mile = 1.609km.

100 miles = 1.609km * 100 = 160.9km,

160.9km - 100km = 60.9km.

Hence the 2 places that are 100 miles apart is 60.9km further away than the places that are 100km apart.

Two minus eleven equals -9!

Answer:

one tight slape you must get from your maths teacher

it will be -9

Answer:

yes

Step-by-step explanation:

(10, 4):

x=10

y=4

3(10) - 5(4) = 10

30 - 20 = 10

Answer:

It is A and D

The city streets are overcrowded with cars

There is a lot of noise pollution

Step-by-step explanation:

The correct answers are the city streets are overcrowded with cars and there is a lot of noise pollution.

A government is the system or group of people governing an organized community, generally a state

The following statements represent possible problems:

The city streets are overcrowded with cars.

The noise level is raising.

And the following statements are possible solutions:

More money from the city government should go to public transportation.

A subway system should be built.

People should be encouraged to carpool to work and school.

Therefore, the correct answers are the city streets are overcrowded with cars and there is a lot of noise pollution.

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Answer:

8 to 12

Step-by-step explanation:

because 15/10 2/3 6;9 go together

Step-by-step explanation:

-5 , -2, |-2| ,|3|, 8

the absolute value makes the sign positive no matter what, for example |-2| becomes 2

Answer:

20˚F - (-12˚F)

Step-by-step explanation:

Highest temperature of the week = 20˚F

Lowest temperature of the week = -12˚F

The difference between the highest and the lowest temperature actually means to subtract the lowest from the highest temperature.

The required expression is;

20˚F - (-12˚F)

Answer:

152.6 hours

Step-by-step explanation:

Distance = Speed × Time

Time = Distance/Speed

Santa's sleigh covered a total distance of 5797 kilometres averaging a speed of 38 km/h in snow storm conditions

Hence: Time Santa spent in snow storms is calculated as:

5797km ÷ 38 km/h

= 152.55263158 hours

Approximately = 152.6 hours

Step-by-step explanation:

Rules:

[tex] \sqrt[n]{a} = a^{\frac{1}{n}} [/tex]

[tex] \sqrt[n]{a^m} = a^{\frac{m}{n}} [/tex]

1.

[tex]\sqrt[3]{2} = 2^{\frac{1}{2}}[/tex]

2.

[tex] \sqrt[3]{2x^2} = \sqrt[3]{2} \sqrt[3]{x^2} = 2^{\frac{1}{3}}x^{\frac{2}{3}} [/tex]

3.

[tex]\sqrt[3]{(2x)^2} = \sqrt[3]{4x^2} = \sqrt[3]{4} \sqrt[3]{x^2} = 4^{\frac{1}{3}}x^{\frac{2}{3}}[/tex]

Answer:

7/12

Step-by-step explanation:

Answer:She sold 21 magazines on Thursday

Step-by-step explanation:

Step 1

The Total price  of magazine sold on Thursday, Friday and Saturday, she sold $66 .

if she sold $3 more on Thursday than she did on Friday and $6 more on Saturday than she did on Thursday. The expression of the sales can be given as    

Let T represent  Thursday

F represent Friday

S represent Saturday such that

 T + F+ S= 66

T+ T-3 + T+6= 66

Step 2----- Solving

T+ T-3 + T+6= 66

3T - 3+ 6=66

3T+3= 66

3T= 66-3

3T=63

T= 63/3

T= 21

F= T-3= 21-3 =18

S = T+6 = 21+6= 27

She sold 21 magazines on Thursday, 18 on Friday and 27 on Saturday

Answer:

The answer is B

Step-by-step explanation:

Answer:

(0, 3)

Step-by-step explanation:

Ed2021

Answer:

1.- 637

2.- 94.600

3.- 38

Step-by-step explanation:

Answer:

The answer is 1 9/19

Step-by-step explanation:

The equation we should solve to find b is option A:sin 55°/b = sin 30°/8

What is trigonometry?

Trigonometry is a branch of mathematics that deals with the relationships between the sides and angles of triangles.

We can use the law of sines to solve for the missing side length of the triangle. The law of sines states that the ratio of the length of a side of a triangle to the sine of the angle opposite that side is constant for all sides of the triangle. In other words:

a/sin A = b/sin B = c/sin C

where a, b, and c are the side lengths of the triangle, and A, B, and C are the angles opposite those sides.

Using this formula, we can write:

b/sin B = a/sin A

Substituting the given values, we get:

b/sin 30° = 8/sin 55°

Now, we can solve for b by cross-multiplying:

b = 8(sin 30° / sin 55°)

Therefore, the equation we should solve to find b is option A:

sin 55°/b = sin 30°/8

Note that options B and C have the sine and cosine terms reversed, respectively, and option D uses the law of cosines, which is not necessary to solve this problem.

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Answer:

70

Step-by-step explanation:

7x10=70

Answer:

7x10=70 :)

Step-by-step explanation:

Answer:

Mean = 2

Standard deviation = 1.356

Step-by-step explanation:

We are given;

Probability of taxpayers that make mistakes when filling out forms: p = 0.08

Sample size; n = 25

In binomial distribution;

Means is;

μ = np

Thus;

μ = 25 × 0.08

μ = 2

Formula for standard deviation here is;

σ = √(np(1 - p))

σ = √(25 × 0.08(1 - 0.08))

σ = 1.356

The required mean is 2 and standard deviation is 1.356 of the number of forms with mistakes she should expect to find.

Given that,

The Internal Revenue Service estimates that 8% of all taxpayers filling out forms make mistakes.

An IRS employee announces at lunch one day that she is going to check 25 randomly selected forms after lunch.

We have to determine,

The mean and standard deviation of the number of forms with mistakes she should expect to find.

According to the question,

Probability of taxpayers that make mistakes when filling out forms: p = 8%= 0.08

And sample size; n = 25

Therefore,

In binomial distribution mean is determine by the formula,

[tex]\mu = np\\\\\mu = 25 \times 0.08\\\\\mu = 2[/tex]

The mean of the number of forms with mistake she should expect to find is 2.

And, Standard deviation is determined by the formula,

[tex]\sigma = \sqrt{np(1-p)}\\\\\sigma = \sqrt{25\times 0.08 (1-0.08)}\\\\\sigma = \sqrt{2\times0.92}\\\\\sigma =\sqrt{ 1.84}\\\\\sigma = 1.356[/tex]

The standard deviation of the number of forms with mistake she should expect to find is 1.356.

Hence, The required mean is 2 and standard deviation is 1.356 of the number of forms with mistakes she should expect to find.

To know more about Standard deviation click the link given below.

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Answer: The slope is 2/3:)

Step-by-step explanation: (2,5) and (8,9)

9-5 =4 /2=2

8-2 =6 /2= 3

Answer: 2/3 or 4/6.

Step-by-step explanation:

Slope = (y2-y1) / (x2-x1)

(9 - 5) / (8-2)

= 4/6, which reduces to 2/3.

The slope of the line between the two given points is 4/6, or 2/3 in simplest terms.

Step-by-step explanation:

1km=1000m

so 2×101=202

then divide by 60 min

so 202÷60=3.36

Answer:

300 bags of wheat

Step-by-step explanation:

We can get the answer by using algebraic expressions. If 1,200 bags means a 20% decrease in the yield from 2005, then it is 80% of the yield in 2005.

Let's solve.

Let x be the number of bags yield from 2005.

We can say: 1,200 is 80% of x

1,200 = 80% of x

1,200 = 0.80(x)

x = [tex]\frac{1,200}{0.80}[/tex]

x = 1,500

The number of bags yield from 2005 is 1,500.

Let's check.

Let x be the decrease in yield.

1,500 x 20% = x

1,500(0.20) = x

x = 300

The 20% decrease in yield is equal to 300 bags of wheat.

1,500 - 300 = 1,200 bags

The answer is correct.

Answer:

C)

The rate of change/slope is constant, when you calculate it for this problem, it doesn't change for any amount of marbles listed in the table