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ira [324]
3 years ago
15

The number seven help please

Mathematics
1 answer:
timurjin [86]3 years ago
8 0

Answer:

The answer is D

Step-by-step explanation:

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Write an expression with a negative exponent that has a value between 0 and 1/2. Please answer ASAP, thank you!
nata0808 [166]

Answer:

4^-2

Step-by-step explanation:

8 0
3 years ago
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Which graph is the correct graph?
Irina18 [472]

Answer:

the answer is 4

Step-by-step explanation:

hope this helps!

4 0
4 years ago
PLEASE HELP ASAP!!!!!!!!!!!!!!!!!!!!!
Alika [10]

Answer:

Size of groups known: First and last questions (The rice and cups ones)

Number of groups known: Second and third questions (Cars and hats)

Step-by-step explanation:

In the first problem, you know that one sack is one group, and it tells you that each sack weighs 3 kg. Therefore, you know the size of the group (or a sack).

In the last one, you know that a table is one group and each table fits 4 cups. So, you know that the size of the group is 4 cups.

In the second and third questions, you know that each group is a row (cars) or "equal group" (hat) and that there are 4 of each. So, you know that there are 4 of each group, meaning you know the "number of groups"

7 0
3 years ago
What is the x-coordinate of the point of intersection for the two lines below?
Brut [27]

Answer:

From the graph, it is clear that the point of intersection is:

  • (x, y) = (-4, -1)

And the x-coordinate of the point of intersection for the two lines is:

  • x = -4

Step-by-step explanation:

  • As we know that the solution of the system of equations is the point of intersection. Let us solve it.

Given the system of equations

\begin{bmatrix}2x+y=-9\\ 2x-5y=-3\end{bmatrix}

solving the system of equations

subtracting 2x+y = -9 from 2x-5y = -3

2x-5y=-3

-

\underline{2x+y=-9}

-6y=6

so

\begin{bmatrix}2x+y=-9\\ -6y=6\end{bmatrix}

solving for y

-6y=6

Divide both sides by -6

\frac{-6y}{-6}=\frac{6}{-6}

y=-1

\mathrm{For\:}2x+y=-9\mathrm{\:plug\:in\:}y=-1

2x-1=-9

2x=-8

Divide both sides by 2

\frac{2x}{2}=\frac{-8}{2}

x=-4

Thus, the x-coordinate of the point of intersection for the two lines below will be:

x=-4

Also, the graph is attached.

From the graph, it is clear that the point of intersection is:

  • (x, y) = (-4, -1)

And the x-coordinate of the point of intersection for the two lines is:

  • x = -4

4 0
3 years ago
A metal manufacturing company reduces the length of a 12.5-inch cylindrical rod, after which the rod measures 7.8 inches. How ma
gizmo_the_mogwai [7]

Answer:

4.7 inches

Step-by-step explanation:

The original is 12.5, and it was shortened to 7.8. So take the original, subtract the result, and you will get the answer.

12.5-7.8=4.7

7 0
3 years ago
Read 2 more answers
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