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Nadya [2.5K]
2 years ago
9

4(2x+7)-3(x-1) binomial in simplest form

Mathematics
2 answers:
shepuryov [24]2 years ago
8 0
(8x+28)-(3x+3)
8x-3x=5x
28+3=31
simplest form (5x+31)
Marysya12 [62]2 years ago
7 0
(8x+28)-(3x-2)
combine the variables and numbers.
5x+30
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17 are older than 16 years old and 12 are taller than 170 cm
5 0
3 years ago
(4x + 3) + (-2x + 4)
WITCHER [35]

Answer:

<h2>(4x + 3) + (-2x + 4) = 2x + 7</h2>

Step-by-step explanation:

(4x + 3) + (-2x + 4)

= 4x + 3 - 2x + 4         <em>combine like terms</em>

= (4x - 2x) + (3 + 4)

= 2x + 7

4 0
3 years ago
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The ratio of cats to dogs at the animal shelter is 4 to 5. If there are 45 dogs at the shelter, how many total cats and dogs are
Nat2105 [25]
<h3>Answer:  81</h3>

Work Shown:

x = number of cats

(4 cats)/(5 dogs) = (x cats)/(45 dogs)

4/5 = x/45

4*45 = 5x

180 = 5x

5x = 180

x = 180/5

x = 36

There are 36 cats and x+45 = 36+45 = 81 cats and dogs total.

3 0
2 years ago
Find the area of the figure.
Gelneren [198K]

Answer:

64 + 28 = 92

Step-by-step explanation:

Split the figure in half creating two triangles and a square.

length and width for the square would be 8ft and 8ft. Multiply both for 64 to be the area.

7ft and 4ft are the height and base for the triangles.

In this case, just multiple 7 and 4 because normally you would need to divide the product by 2 however since there are two triangles it negates the step.

8 0
2 years ago
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OLEGan [10]

Answer: The slide will have a height of <u>6</u> feet.

Step-by-step explanation:

Given: A slide has a width of 3.5 inches and height of 3 inches.

For required slide , width = 7 feet]

To keep the slide proportional to the model,

\dfrac{\text{height of the required slide}}{\text{height of the slide }}=\dfrac{\text{width of required slide}}{\text{width of slide}}

\Rightarrow\ \dfrac{\text{height of the required slide}}{3}=\dfrac{7}{3.5}\\\\\Rightarrow\ \dfrac{\text{height of the required slide}}{3}=2\\\\\Rightarrow\ \text{height of the required slide}=3\times2 =6\ \text{feet}

hence, the slide will have a height of <u>6</u> feet.

3 0
2 years ago
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