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IceJOKER [234]
3 years ago
12

Ruby is making decorative pillows for her living room. She bought 3 1/2

Mathematics
1 answer:
just olya [345]3 years ago
7 0

Answer:

$20 (might be wrong)

Step-by-step explanation:

You might be interested in
Which equation can be used to calculate the surface area of the triangular prism net show below?
erastovalidia [21]

Answer:

360cm

Step-by-step explanation:

The top square is 10 x 13 = 130

The middle square is 10 x 12 = 120

Both side triangles are 5 x 12 = 60. You would halve it but there are two triangles.

5 x 10 = 50

50 + 120 = 170

170 + 130 = 300

300 + 60 = 360

Equation would be (10 x 13) + (10 x 12) + (5 x 12/2) + (5 x 12/2) + (10 x 5)

The equation options seem like they are missing some numbers or something

4 0
4 years ago
Who can finish this for me
Paladinen [302]

Answer:

<h2>-  {x}^{4}  - 7 {x}^{3}  + 8</h2>

Step-by-step explanation:

(5 - 5 {x}^{4}  -  {x}^{3} ) - (6 {x}^{3}  - 4 {x}^{4}  - 3)

Remove unnecessary parentheses

5 - 5 {x}^{4}  -  {x}^{3}  - (6 {x}^{3}  - 4 {x}^{4}  - 3)

When there is a (-) in front of an expression in parentheses, change the sign of each term in the expression

5 - 5 {x}^{4}  -  {x}^{3}  - 6 {x}^{3}  + 4 {x}^{4}  + 3

Collect like terms

5 + 3 - 5 {x}^{4}  + 4 {x}^{4}  -  {x}^{3}  - 6 {x}^{3}

5 + 3 -  {x}^{4}  - 7 {x}^{3}

Add the numbers

8 -  {x}^{4}  - 7 {x}^{3}

Use the commutative property to reorder the terms

-  {x}^{4}  - 7 {x}^{3}  + 8

Hope this helps...

Best regards!!

8 0
4 years ago
The<br> What is the slope of the line?
Shtirlitz [24]

Answer:

-1

Step-by-step explanation:

Slope is calculated with the general equation \frac{x_{2}-x_{1} }{y_{2}-y_{1}} where you compare the difference between two sets of data points on the slope.

I will use the points (-2, 0) and (0, -2).

\frac{-2-0{} }{0-(-2){}}

This gives us -2/2 or a slope of -1

3 0
3 years ago
Multiply. Write your answer as a fraction in lowest terms.
Step2247 [10]

Answer:

6 4/7

Step-by-step explanation:

Convert any whole numbers to mixed numbers

\frac{12}{1} \times \frac{23}{42}

Use fractions formula

\frac{a \times b}{c \times d} = \frac{e}{f}

\frac{12 \times 23}{1 \times 42} = \frac{276}{42}

Count how many times 276 goes into 42 <em>evenly</em>

<em></em>= 6\frac{4}{7}

3 0
1 year ago
Does (2,0) make the equation y = x true?
aleksley [76]

Answer:

No

Step-by-step explanation:

If you plug 0 into y and 2 into x 0 does not equal 2.

8 0
3 years ago
Read 2 more answers
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