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Rus_ich [418]
3 years ago
11

If 1/2 paint cover 1/8 of the wall,then how many quarts cover the whole wall

Mathematics
1 answer:
Lyrx [107]3 years ago
3 0

Answer:

4

Step-by-step explanation:

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The two triangles shown are similar. Find the value of a/b
AveGali [126]

Answer: 1.5

Step-by-step explanation:

2.1/1.4=1.5

5 0
3 years ago
In order to slove the following system of equations by addition, which of the following could you do before adding the equations
Vladimir [108]

Answer:

  B. use multipliers -3 and 2

Step-by-step explanation:

If you're solving the system by "addition," multiplying the equations by the chosen numbers needs to result in opposite coefficients for one of the variables.

<h3>Effect of answer choices</h3>

A. The system becomes ...

  • 12x -6y = 21
  • 12x -12y = 60

No variable has opposite coefficients.

__

B. The system becomes ...

  • -12x +6y = -21
  • 6x -6y = 30

The y-variable has opposite coefficients. This is a good choice.

__

C. The system becomes ...

  • 12x -6y = 21
  • 6x -6y = 30

No variable has opposite coefficients.

__

D. The system becomes ...

  • 4/3x -2/3y = 7/3
  • 3x -3y = 15

No variable has opposite coefficients.

__

<em>Additional comment</em>

The simplest "no brainer" solution is to use the coefficients of one of the variables, negating one of them. Multiply each equation by the opposite equation's coefficient. Here, the y-coefficients are -2 and -3, and the multipliers of answer choice B are -3 and 2, consistent with this advice. (The sign of 2 was changed.)

5 0
2 years ago
Read 2 more answers
Complete the following equation using &lt;, &gt;, or =. 57% ___ 1 A. = B. &gt; C.
Brut [27]
57% is the same thing as .57 so .57<1 hope that this helps
6 0
3 years ago
There is 3/4 pound of cream in a containwr. Julian will use 3/8 pound of cream to make crème brûlée. What fraction of a pound of
Ksivusya [100]

Answer:

\frac{3}{8}\ pound of cream will remain in the container.

Step-by-step explanation:

Given:

Amount of cream in the container = \frac{3}{4}\ pound

Amount of cream used to make crème brûlée = \frac{3}{8}\ pound

We need to find the amount of cream remain in the container.

Solution:

Now we can say that;

the amount of cream remain in the container is equal to Amount of cream in the container minus Amount of cream used to make crème brûlée.

framing in equation form we get;

amount of cream remain in the container = \frac{3}{4}-\frac{3}{8}

Now we will make the denominator common using LCM we get;

amount of cream remain in the container = \frac{3\times2}{4\times2}-\frac{3\times1}{8\times1}= \frac{6}{8}-\frac{3}{8}

Now denominators are common so we will solve the numerators.

amount of cream remain in the container = \frac{6-3}{8}=\frac{3}{8}\ pound

Hence \frac{3}{8}\ pound of cream will remain in the container.

7 0
3 years ago
Four students are verifying that x2 + x– 12 = (x – 3)(x + 4). Their conclusions are presented in the table. A 4-column table wit
nikklg [1K]

Answer:

Latisha correctly verified that x² + x - 12 = (x - 3)(x + 4)

Step-by-step explanation:

In the problem, each student was to give their explanation of why the statement above is correct. In order to know if this statement is correct, you can also simply multiply the terms after the equal sign.

(x - 3)(x + 4)

Use foil method to multiply.

x² - 3x + 4x - 12

Combine like terms.

x² + x - 12

You can also find out if the statement is correct is multiplying and adding the numbers together.

-3 * 4 = -12

-3 + 4 = 1

So, Latisha is correct because her explanation verified the statement above.

3 0
4 years ago
Read 2 more answers
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