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olga2289 [7]
3 years ago
15

Which could be the first step in solving the equation represented by the model below?

Mathematics
2 answers:
8090 [49]3 years ago
8 0

Answer:

<h2>Add 4 positive unit tiles to each side.</h2><h2>Hi hope this helps! brainliest please? :(((((</h2>

Step-by-step explanation:

The original equation is:

3x - 4 = 2x + 5

After adding 4 positive unit tiles to each side, we get:

3x - 4 + 4 = 2x + 5 + 4

3x = 2x + 9

which simplifies the original equation, because at the beginning there were independent terms at both sides of the equal sign and now all independent terms are on the right side (the +9 term). Notice that the other options don't give this result

Answer:

<h2>Add 4 positive unit tiles to each side.</h2>
Naddika [18.5K]3 years ago
5 0
The answer is A

Explanation-
3x + 4= 2x + 6
-4 = -4
3x=2x + 4
-2x= -2x

X=4
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At the school play abby handed out 250 programs and kim handed out 300 what is the ratio of the number of programs abby handed o
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A ratio shows us the number of times a number contains another number. The ratio of the number of programs Abby handed out to the number programs Kim handed out is 5/6.

<h3>What is a Ratio?</h3>

A ratio shows us the number of times a number contains another number.

At the school play Abby handed out 250 programs and Kim handed out 300. Therefore, the ratio of the number of programs Abby handed out to the number programs Kim handed out is,

Ratio = (Number of programs Abby handed out)/(Number of programs Kim handed out)

Ratio = 250 / 300 = 5/6

Hence, the ratio of the number of programs Abby handed out to the number programs Kim handed out is 5/6.

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2 years ago
When should you use the median and interquartile range as your measure of center and measure of variability to compare populatio
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4 years ago
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The measure of angle 1 is (3x + 10)° and the measure of angle 4 is (4x – 15)°. What is the measure of angle 7
jasenka [17]
Your answer will be 95 degrees. (3x+10)=(4x-15) ends up with x=25. Plug it in to (3x+10). You should get 85 degrees. Using the definition of supplementary angles, angle 3 will be 95. Angle 7 and angle 3 are corresponding angles. 
4 0
3 years ago
Suppose △PKN≅△BGH.
OLga [1]

Answer:

△KNP ≅ △GHB

△NPK ≅ △HBG

Step-by-step explanation:

Given: △PKN≅△BGH

This means two triangles PKN and BGH are congruent. Congruent triangles havecongruent  corresponding parts.

So,

  • PK ≅ BG;
  • PN ≅ BH;
  • KN ≅ GH;

and corresponding vertices

  • P to B;
  • K to G;
  • N to H.

Hence,

A. Triangle KNP is congruent to triangle GHB - true

B. Triangle KPN is congruent to triangle GBH - false

C. Triangle NKP is congruent to triangle HGB - false

D. Triangle NPK is congruent to triangle HBG - true

3 0
3 years ago
Santiago wants the lateral surfaces of the ramp to be painted red. how many squares feet of the ramp will be painted red?​
Annette [7]

Answer:

262 square feet

Step-by-step explanation:

The lateral surface is the side surfaces, except top and bottom.

There are 3 lateral surfaces.

The 2 sides are triangles with length 20 and height 8.5

And

The back is a rectangle with length 12 and height 8.5

We sum up all the 3 surface areas, that will give us the answer.

Area of triangle is (0.5) * length * height

So,

Area of 1 triangle = 0.5 * 20 * 8.5 = 80

Area of 2 triangles = 80 * 2 = 160

Area of rectangle = length * height

so,

Area of back rectangle = 12 * 8.5 = 102

Total Lateral Surface Area = 160 + 102 = 262 square feet

3 0
3 years ago
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