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siniylev [52]
3 years ago
12

Write the following sentence using mathematical symbols twice x, plus 5, is the same as -13

Mathematics
2 answers:
Vesnalui [34]3 years ago
6 0
It would be: 2x + 5 = -13
Solving: 2x = -13 - 5
x = -18 / 2
x = -9

In short, Your Answer would be -9

Hope this helps!
kupik [55]3 years ago
4 0
2x+5=-13
2x= -18
x= -9
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These two polygons are similar.
Jet001 [13]

Answer:

\huge\boxed{z=3}

Step-by-step explanation:

If two polygons are similar, then corresponding sides are in proportion.

The corresponding sides:

4 → x

y → 15

3 → w

2 → 6

z → 9

therefore:

\dfrac{z}{9}=\dfrac{2}{6}         <em>cross multiply</em>

(z)(6)=(9)(2)

6z=18         <em>divide both sides by 6</em>

z=3

4 0
3 years ago
Select the correct answer.
Usimov [2.4K]

Applying the law of sines, the approximate length of side YZ is: A. 15.7 units.

<h3>How to Apply the Law of Sines?</h3>

Law of sines is expressed as follows: x/sin X = y/sin Y = c/sin Z.

Given the following:

  • x (YZ) = ?
  • X = 32°
  • z = 24
  • Z = 180 - 32 - 94 = 54°

Plug in the values

x/sin 32 = 24/54

x = (sin 32 × 24)/sin 54

x ≈ 15.7 units.

Learn more about the law of sines on:

brainly.com/question/27174058

#SPJ1

4 0
1 year ago
Can someone help me please?
Elena-2011 [213]
<h3>Answer:  4368 square feet</h3>

======================================================

Explanation:

Check out the diagram below

I drew a rectangle with dimensions 56 ft by 78 ft.

Then I broke up the 56 into 50+6, and I broke up the 78 into 70+8

The reason for this is because it's fairly easy to multiply the areas of each smaller rectangle at this point

  • In the upper left corner, we have an area of 50*70 = 3500. Note how this is basically 5*7 = 35, but we tack on the two zeros (from 50 and 70 combined)
  • In the upper right corner, we have an area of 70*6 = 420
  • In the lower left corner, we have an area of 50*8 = 400
  • In the lower right corner, we have an area of 6*8 = 48

Add up all the areas found: 3500+420+400+48 = 4368

As a way to check, using your calculator shows that 56*78 = 4368

8 0
2 years ago
Shawnda spent $259.20 on a scooter. This was 80% of her budget for a new scooter. How much was the total budget?
just olya [345]
X * 0,8 = 259,2 <=>

x = 258,2/0,8 <=>

x = 322,75

The total budget was 322,75$
7 0
2 years ago
4.) Trina earns $28.50 tutoring for 3 hours. How much would Trina earn tutoring for 2 hours?​
Dafna11 [192]

Answer:

19

Step-by-step explanation:

First, find the unit rate. (How much she makes in 1 hour.)

28.50/3 is 9.5

Now it asks for how much she will make in 2 hours.

9.5 x 2 is

19.

6 0
2 years ago
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