MATHEMATICS MIDDLE SCHOOL

If f(
9
)
=
2
,
f
′
(
9
)
=
–
1
,
g
(
9
)
=
–
9
,
and g
′
(
9
)
=
5
,
what is h
′
(
9
)
?

Answers

Answer 1
Answer:

Answer:

-3

Step-by-step explanation:

-1+2=1

-9+5=-4

1-4=-3

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Todd begins piano practice at 4:15 P.M. and ends at 5:50 P.M. How long does he practice?

Answers

If He began at 4:15 and ended at 5:50 then that would be 95 minutes
95 minutes because:-

The distance between 4:15 and 5:50 is 95 minutes. 

Answer: 95 minutes

Joe has 12 cups of soup in a pot. If he pours 1/4 cup of soup into each bowl, how many bowls will he use?

Answers

For this question, you'd divide 12 by 1/4. To do this, you multiply 12 by the reciprocal of 1/4. The reciprocal is 4/1, or 4. So 12*48=48

He will use 48 bowls
the correct answer is 48 because 4 of the 1/4's could be used to fill 4 bowls each so 4 x 12 = 48

Use The distributive property to write an expression equivalent to 5 x (3 +4)

Answers

The equivalent expression of 5 × (3 + 4) using the distributive property is;

(5 × 3) + (5 × 4) = 35

We are given the expression;

5 × (3 +4).

 

Distributive property simply means we want to distribute a number outside a bracket to the numbers inside the same bracket. For example, we have

p × (q +  r)

Using distributive property, we will have;

p × (q +  r) = (p × q) + (p × r)

Applying the example used above to our question, we have;

5 × (3 + 4) = (5 × 3) + (5 × 4)

⇒ 15 + 20

⇒ 35

Thus, in conclusion, the equivalent of 5 × (3 + 4)  using distributive property is (5 × 3) + (5 × 4) = 35

Read more at; brainly.com/question/2118428

Answer:

5 * 3 + 5 * 4 = 35

Step-by-step explanation:

Given  :  5 x (3 +4).

To find : The distributive property to write an expression equivalent.

Solution : We have given 5 x (3 +4).

Using Distributing property : a ( b +c ) = a *b + a* c .

5 x (3 +4) = 5 * 3 + 5 * 4 .

5 * 3 + 5 * 4 = 15 + 20 = 35 .

Therefore, 5 * 3 + 5 * 4 = 35

A. Centipedes have 2 legs per segment. They can have from 30 to 354 legs. Find a range for the number of segments a centipede can have.B. Millipedes have 4 legs per segment. The record number of legs on a millipede is 752. How many segments did this millipede have?

C. There are about 6 billion humans in the world. Scientists estimate that there are a billion billion arthropods in the world. About how many times larger is the
arthropod population than the human population?

Answers

Answer:

Step-by-step explanation:

A. 162

B: 188

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Darius buys a bottle of a chemical solution that contains 70%, percent alcohol. The bottle contains 500 milliliters of solution.

Answers

I'm assuming that you're asking how many milliliters of alcohol is in the solution. The answer would be 350 milliliters

Answer:350

Step-by-step explanation:What’s

A cube with 3-inch edges is to be constructed from 27 smaller cubes with 1-inch edges. Twenty-one of the cubes are colored red and 6 are colored white. If the 3-inch cube is constructed to have the smallest possible white surface area showing, what fraction of the surface area is white?

Answers

The fraction of the surfacearea that is white is 2/9.

What is a cube?

It is a polygon having six faces.

The volume of a cube is Side³.

We have,

Cube:

Volume = Side³
Side = 3 inch

Volume = 3³ = 27 inches³

Now,

Redcubes = 21

White cubes = 6

Now,

The total surfacearea of the cube.

= 6 x side²

= 6 x 3²

= 6 x 9

= 54 inches²

Now,

27 cubes make the total surface area 54 inches².

27 cubes = 54 inches²

Multiply 6/27 on both sides.

6 white cubes = 6/27 x 54

6 white cubes = 12 inches²

Now,

White surfacearea = 12/54 inches²

12/54 = 2/9

Thus,

2/9 fraction of the surfacearea is white.

Learn more about cubes here:

brainly.com/question/11168779

#SPJ2
The volume of the larger cube is 3*3*3, which is 27.
The volume of the smaller cubes is 1*1*1, which is 1.
27/1=27
That means all cubes will be used, so only the placement of the cubes matter.
The center of the cube will show no sides,
The center of the face will show 1 side, which has a surface area of 1sq.in.
Since there are 6 white cubes and 6 faces with 6 face centers, and only one cube center, there will be 5 cubes on the center of the faces and 1 in the cube center.

This means there will be 0 faces of 1 cube and 1 faces shown for the rest of the cubes. Since each face is 1sq.un., the rest is math

(0*1)+((1*1)5)
(0)+(1*5)
0+5
5sq.un. of the cube is white.

a=The fraction of surface area showing
b=Surface area of large cube

b=3*3*number of sides on cube(6)

5*a=b
5*a=54
a=54/5

Your answer is 54/5.
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