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Murrr4er [49]
3 years ago
5

See image help me as fast as possible, please

Mathematics
1 answer:
Sliva [168]3 years ago
5 0

Answer:

80 units ^2

Step-by-step explanation:

The semicircle that is added on to the rectangle can be translated to fit into the slot where a semicircle has been removed (both semicircles are congruent as they have the same diameter). This leaves us with a plain rectangle, with area b * h, or 8 * 10, or 80.

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Apply the distributive property to create an equivalent expression. 7(4p + 2q + 3r) =?
Nookie1986 [14]

Answer:

The equivalent expression is 28p+14q+21r

Step-by-step explanation:

The distributive property says for any numbers <em>a, b c</em>, and <em>d</em>

d*(a+b+c)=a*d+b*d+c*d

which basically says you should multiply the coefficient d by every term in the parenthesis to get an equivalent expression.

Applying the distributive proper to the expression 7(4p+2q+3r) we get:

7(4p+2q+3r)=7*4p+7*2q+7*3r

=\boxed{28p+14q+21r}

which is an equivalent expression to 7(4p+2q+3r).

4 0
3 years ago
ASAP pls help pls pls pls
Ksju [112]

Answer:

1. No, not all line segments

2. Yes, quadrilateral

3. Yes, hexagon

4. No, it is not a closed shape.

1. Hexagon, concave

2. Octagon, convex

3. Pentagon, concave

4. Triangle, convex

5. No, not a closed shape

6. Yes

7. No, not all line segments

8. Yes

9. Uploaded in picture

10. Yes, both have exactly four sides

11. Four

12. C. 3

4 0
3 years ago
You need a 30% alcohol solution. On hand, you have a 780 mL of a 15% alcohol mixture. You also have 90%
ycow [4]

Answer:

195 mL of the 90% solution

Step-by-step explanation:

Let the number of mL of 90% mixture = x

Hence, our equation is

780mL × 15% + x mL × 90% = (780mL + x) 30%

117 + 0.9x = 234 + 0.3x

Collect like terms

0.9x - 0.3x = 234 - 117

0.6x = 117

x = 117/0.6

x = 195 mL

Therefore, You will need 195 mL of the 90% solution

5 0
3 years ago
First try was incorrect
Vanyuwa [196]

Answer:

16

Step-by-step explanation:

4 0
3 years ago
Jethro is planting flowers in his garden. He wants the ratio of tulips to roses to be 2 to 1. Jethro wants to plant a total of 1
attashe74 [19]

Given:

Ratio of tulips to roses = 2:1

Total number of flowers = 18

To find:

The number of tulips.

Solution:

Let the number of tulips and roses are 2x and x respectively.

According to the question,

2x+x=18

3x=18

Divide both sides by 3.

x=\dfrac{18}{3}

x=6

Now,

Number of tulips =2(6)

                           =12

Therefore, the number of tulips is 12.

7 0
3 years ago
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