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3 years ago

The sum of a number xx and 4 equals 12. an equation that represents this sentence is

1 answer:

5 0

X + 4 = 12

This is because the question gives you everything you require for this sentence to be formed. 12 is the final answer. 4 is added on and $x$ is basically the number that is to be found.

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Solve for x. 2 1/2x−3/4(2x+5)=3/8

RUDIKE [14]

$2 \frac{1}{2}x- \frac{3}{4}(2x+5)= \frac{3}{8}$
$2 \frac{1}{2}x- \frac{6}{4}x- \frac{15}{4}= \frac{3}{8}$
$( 2\frac{1}{2}- \frac{6}{4})x= \frac{3}{8}+ \frac{15}{4}$
$( \frac{5}{2}- \frac{6}{4})x= \frac{3}{8}+ \frac{15}{4}$
$( \frac{10}{4}- \frac{6}{4})x= \frac{3}{8}+ \frac{30}{8}$
$\frac{4}{4}x= \frac{33}{8}$
$x= \frac{33}{8}=4 \frac{1}{8}$

Correct answer: C

6 0

3 years ago

The formula for the perimeter (P) of a rectangle is

shutvik [7]

Answer:

174

Step-by-step explanation:

L = 68

W=19

Use the formula given:

2 x 68 + 2 x 19 = 174

4 0

3 years ago

In the figure, AngleRQS Is-congruent-to AngleQLK. 3 lines are shown. Lines S P and K N are parallel. Line R M intersects line S

stepan [7]

Answer:

x=108

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m∠RQS≅m∠QLK -----> by corresponding angles

m∠KLM+m∠QLK=180° -----> by supplementary angles (consecutive interior angles)

we have that

m∠RQS=x° ----> given problem

m∠QLX=x°

m∠KLM=(x-36)° ----> given problem

substitute

$(x-36)\°+x\°=180\°\\2x=180+36\\2x=216\\x=108$

3 0

3 years ago

Read 2 more answers

Clue 1: A black line is shorter than a white line

Katyanochek1 [597]

The black line is shorter than the gray. Let's simplify the rules. (B=Black, W=White, G=Grey

B is less than W which is less than G

That means G is greater than W. B is less than W, which is less than G. Therefore, the black line is not only shorter than the Gray one, but also the shortest out of the three.

I hope this Helps!

3 0

3 years ago

Use a half-angle idenitity to find the exact value of tan 5pi/12

tatyana61 [14]

Hello here is a solution :

3 0

3 years ago