MATHEMATICS HIGH SCHOOL

Round the following numbers tothe nearest five million.
22 500 000
27 500 000
67 490 000

Answers

Answer 1
Answer:

Answer:

22,500,000 ⇒ 20,000,000

27,500,000 ⇒ 30,000,000

67,490,000 ⇒ 65,000,000

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'Solve using perfect square factoring patterns. x^2 – 12x + 36 = 4'
How do you make a mix number an improperfraction example 4 8/11
Please someone help me with this, it’s due today
A student heats 100 g of aluminum to 60°C. He places it in 100 g of water at 20°C. Over time, what will most likely happen?a. The water's temperature will increase slightly, and the metal's temperature will decrease a lot. b. The water's temperature will increase a lot, and the metal's temperature will decrease slightly. c. The water's temperature will decrease slightly, and the metal's temperature will increase a lot. d. The water's temperature will increase by about the same amount as the metal's temperature decreases.
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In a bakery that sells cookies there are 4 oatmeal cookies for every 11 chocolate cookies.If there are 285 cookies altogether how many oatmeal cookies are there?

Answers

Answer:

There are 76 oatmeal raisen cookies altogether.

Step-by-step explanation:

4 + 11 = 15

285/15 = 19

19 * 4 = 76

If h(2) = 3 and h'(2) = -7, find d/dx(h(x)/x) x = 2.

Answers

Answer:   -17/4

Work Shown

\frac{d}{d\text{x}}\left(\frac{h(\text{x})}{\text{x}}\right) = \frac{\frac{d}{d\text{x}}(h(\text{x}))*\text{x}-h(\text{x})*\frac{d}{d\text{x}}(\text{x})}{\text{x}^2} \ \text{ .... quotient rule}\n\n\frac{d}{d\text{x}}\left(\frac{h(\text{x})}{\text{x}}\right) = \frac{h'(\text{x})*\text{x} - h(\text{x})}{\text{x}^2}\n\n

Evaluate that at x = 2.

\frac{h'(\text{x})*\text{x} - h(\text{x})}{\text{x}^2}\n\n=(h'(2)*2 - h(2))/(2^2)\n\n=(-7*2 - 3)/(2^2)\n\n=-(17)/(4)\n\n

Therefore,

\frac{d}{d\text{x}}\left(\frac{h(\text{x})}{\text{x}}\right)=-(17)/(4) \ \text{ when h(2) = 3, h'(2) = -7, and x = 2}\n\n

When I double my number add four and divide by two

Answers


You will get a number that's 2 more than the number you started with.
you will get a number that's 2 more than u started with

What is the resulting equation when the expression for y in the second equation is substituted into the first equation?3x + y = 1
y = 6 - 4x

a. -x + 6 = 1
b. x + 6 = 1
c. 7x + 6 = 1

Answers

Answer:

When expression for y in the second equation is substituted into the first equation than the resulting equation -x + 6 = 1 .

Option (a) is correct .

Step-by-step explanation:

As given the equations in the questions are

3x + y = 1

y = 6 - 4x

As expression for y in the second equation is substituted into the first equation .

i.e put y = 6 - 4x in 3x + y = 1  .

3x + 6 - 4x = 1  

Solving the above

-x + 6 = 1

Therefore the when expression for y in the second equation is substituted into the first equation than the resulting equation -x + 6 = 1 .

Option (a) is correct .
3x + y = 1

3x + (6 - 4x) = 1

3x + 6 -4x = 1

3x - 4x + 6 = 1

-x + 6 = 1

Therefore (a)

mr schiffer planted 9 fruit trees in his orchard. of the , 1/3 are grapefruit trees. how many trees are garapefruit trees

Answers

if 1/3th of the trees are grapefruit trees and he planted 9 trees there is 3 grapefruit trees hoped this help
the answer is 1/3×9=3
so 3 are grapefruit trees

Find ∅ round to the nearest degree
A. 24°
B. 66°
C. 64°
D. 26°​

Answers

Answer:

C

Step-by-step explanation:

Using the cosine ratio in the right triangle

cosθ = (adjacent)/(hypotenuse) = (7)/(16) , then

θ = cos^(-1) ((7)/(16) ) ≈ 64° ( to the nearest degree )
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