my sister is 14 years old. my brother says that his age minus twelve is equal to my sister's age. how old is my brother?

Answers

Answer 1

Answer: 24-12=14, so your brother is 24.

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My HomeworkIndependent practice eHelp Go online for Step-by-Step Solutions Find the area of each figure. Round to the nearest tenth if necessary. (Example (02 cm 12 cm 6 yd 4.5 cm 16 yd 8 yd 2 cm show) 24 yd 5 cm 1 m. 15 c 15 m
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Evaluate the expression 15-(37 8) divided by 3

Answers

the correct question is

Evaluate the expression $15-(37+8)$ divided by $3$

we have

$(15-(37+8))/(3) =(15-(45))/(3) \n \n =-(30)/(3) \n \n =-10$

therefore

the answer is

$-10$

15-378=-363
-363÷3 =-121

Hope this helps :)

5.3 independent practice

Answers

14. $82.80
15. $82.58
16. $315.78
17. $75.14
18. $2,368.75
19. 1,076.25
20. $513.50

^7th grade edition

what textbook is it the texas math textbook or wat

What is the prodeut of 289 and 7

Answers

The product means multiply, so 289 times 7 is 2023.

What is 7.39 rounded to the nearest whole number?

Answers

7 is the answer 4 and lower you round down 5 and up is up

7. How I always remembered it was 4 and down hit the ground. 5 to 9 make it climb.

If the the area of a bedroom is 90 square feet what is the length and width

Answers

30 x 30........................

The graph of the function f(x) = −3x2 − 3x + 6 is shown. Which statements describe the graph? Check all that apply.-The vertex is the maximum value.

-The axis of symmetry is x = -1/2

-The domain is all real numbers.

-The range is all real numbers.

-The x-intercepts are at (−2, 0) and (1,0).

-The function is decreasing from (−∞, 6.75)

Answers

Since the coefficient of x^2 is negative, which means that the parabola is facing down. Hence, the vertex is maximum value.
f(-1) = -3(-1)^2 - 3(-1) + 6 = -3(1) - (-3) + 6 = -3 + 3 + 6 = 6
f(-0.5) = -3(-0.5)^2 - 3(-0.5) + 6 = -3(0.25) - (-1.5) + 6 = -0.75 + 1.5 + 6 = 6.75
f(0) = -3(0)^2 - 3(0) + 6 = 0 + 0 + 6 = 6
From the above, the graph stopped increasing at x = -0.5 and started decreasing. Hence, the axis of symmetry is x = -1/2
The domain of all quadatic expression is all real numbers because there is no value of x for which f(x) does not exist.
The range is NOT all real numbers because for instance, there is no value of x for which f(x) = 7.
f(-2) = -3(-2)^2 - 3(-2) + 6 = -3(4) - (-6) + 6 = -12 + 6 + 6 = 0
f(1) = -3(1)^2 - 3(1) + 6 = -3(1) - 3 + 6 = -3 + 3 = 0
Hence, the x-intecepts are at (-2, 0) and (1, 0)
The function is INCREASING from (−∞, 6.75)

Answer:

I took the test on edge

Step-by-step explanation:

The vertex is the maximum value.

The axis of symmetry is x = negative one-half.

The domain is all real numbers.

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