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3 years ago

Solve the equation and enter the value of x below. 4(x + 1) = 64

Mathematics

2 answers:

dusya [7]3 years ago

8 0

$\huge\boxed{\mathfrak{Answer}}$

$4(x + 1) = 64 \\ 4x + 4 = 64 \\ 4x = 64 - 4 \\ 4x = 60 \\ x = \frac{60}{4} \\ x = 15$

=> The answer is 15.

Alina [70]3 years ago

6 0

Answer:

Step-by-step explanation:

Use the distributive property

4x+4=64, then subtract

4x=60, then divide

x=15

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Is 26 a multiple of 3? yes 9r no ? why 9r why not?

Inga [223]

I don’t think so. It doesn’t fall directly into the 3 times table. I would say no.

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2 years ago

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A researcher is estimating the mean income of residents in a large city. The income variable is usually skewed to the right. She

Gnom [1K]

Answer: We are 95% confident that the mean income for all residents of this city is between $26700 and $35400.

Step-by-step explanation:

We know that a 95% confidence interval given an interval of values that we can be 95% sure , that it contains the true mean of the population, not 95% of data lies in it.

Given : A researcher is estimating the mean income of residents in a large city. The income variable is usually skewed to the right. She collects a random sample of 25 people.

The resulting 95% confidence interval is ($26700, $35400).

Then, valid conclusion will be : We are 95% confident that the mean income for all residents of this city is between $26700 and $35400.

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3 years ago

Unit4: Congruent Triangles Hw 1: Classifying Triangles Gina Wilson (All things algebra) 2014

anastassius [24]

Answer:

12. x = 6, side = 83
13. x = 18, side = 29
14. x = 11, sides = 74, 74 and 37
15. x = 23, sides = 95, 95 and 108

Step-by-step explanation:

11 is incomplete, can't solve

The triangle is equilateral, so all sides are equal, using one pair to find x:

13x + 5 = 17x - 19
17x - 13x = 5 + 19
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x = 6

Each side is:

13*6 + 5 = 78 + 5 = 83

13.

Sides are equal as triangle is equilateral

QR = 2x - 7
RS = 5x - 61
QS = x + 11

Finding x by comparing two sides

2x - 7 = 5x - 61
5x - 2x = 61 - 7
3x = 54
x = 18

Sides are equal

18 + 11 = 29

14.

Equal sides of isosceles triangle:

CD = DE
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9x - 6x = 8 + 25
3x = 33
x = 11

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CD = DE = 9*11 - 25 = 99 - 25 = 74
CE = 10*11 - 73 = 110 - 73 = 37

15.

Equal sides of isosceles triangle WXY, WX = WY

WX = 4x + 3
WY = 7x - 66
XY = 5x - 7
4x + 3 = 7x - 66
7x - 4x = 3 + 66
3x = 69
x = 23

Sides are:

WX=WY = 4*23 + 3 = 95
XY = 5*23 - 7 = 108

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3 years ago

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You have just bought a new television and it has an aspect ratio of 16:9. The screen on the television is 65 inches. What is the

sp2606 [1]

Answer:

Step-by-step explanation:

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D fails for the same reason as C.

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3 years ago

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$good \\ luck \\ on \\ assignment \\ \\ \\ \\ enjoy \\ your \\ day! \\ \\ \\ \\ \\ \\ MeIsKaitlyn$

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3 years ago

Solve the equation and enter the value of x below. 4(x + 1) = 64 ​

Solve the equation and enter the value of x below. 4(x + 1) = 64