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andreyandreev [35.5K]
3 years ago
15

Lorine drew the model below to represent the equation 16 + 28 = blank x (4 + 7). A model with 4 rows of 4 squares and 4 rows of

7 squares. What is the missing value in Lorine's equation? 4 7 8 11
Mathematics
1 answer:
Mrac [35]3 years ago
3 0

Answer:

Missing Value Is 4 .

Step-by-step explanation:

According To The Question, We Have

  • A model with 4rows*4squares & 4rows*7squares

        Equation is 16+28 = X*(4+7)

        Solve the above Equation, We get 44=X*11 ⇔ X=4

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What is the y-value of the vertex of the function f(x)=−(x−3)(x+11)? −8 −4 33 49
alisha [4.7K]

Answer:

y - value of the vertex is 49.

Step-by-step explanation:

Given function is f(x) = -(x - 3)(x + 11)

f(x) = -(x² - 3x + 11x - 33)

     = -(x² + 8x - 33)

     = -(x² + 8x + 16 - 49)

     = -[(x + 4)² - 49]

     = -(x + 4)² + 49

Comparing this equation with the vertex form of a quadratic function,

f(x) = -(x - h)² + k

Where (h, k) is the vertex of the function.

Vertex of the parabola is (-4, 49)

Therefore, y-value of the vertex is 49.

4 0
2 years ago
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Answer: C

Step-by-step explanation:

8 0
3 years ago
J) You spend $35. Tip is 15%. How much did you pay in total?
rusak2 [61]

Answer:

You paid $40.25 in total.

Step-by-step explanation:

In this question:

Spending of 35%

Tip of 15% means that 15% of 35 will be added to your total spending. So

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You paid $40.25 in total.

3 0
3 years ago
On a test Matilda answer 12 are the first 15 problems correctly at this rate continues how many of the next 25 problems while sh
Feliz [49]
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6 0
2 years ago
What are the sides of a rectangular prism increased by if the volume increases from 54 mm3 to 3456 mm3?
kotykmax [81]

Answer:

The sides of the original rectangular prism have been increased by a scale factor of 4

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

z----> the scale factor

x---> volume of the increased rectangular prism

y---> volume of the original rectangular prism

z^{3}=\frac{x}{y}

substitute

z^{3}=\frac{3,456}{54}=64

z=4 -----> the scale factor

therefore

The sides of the original rectangular prism have been increased by a scale factor of 4

6 0
2 years ago
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