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Amiraneli [1.4K]
3 years ago
5

7 : 8 : 9=__:12:__ Make it so that the question is even on both sides

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
4 0

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G(x) = x3 + 6x2 + 12x + 8Determine the function’s value when x = −1.
Aneli [31]
Plug in  -1 for x and  work it ou'

g(-1) = (-1)^3 + 6(-1)^2 + 12(-1) + 8

= -1 + 6 - 12 + 8

=  1
8 0
3 years ago
Read 2 more answers
A board measures 19.5 meters in length is cut into two pieces. One piece measures 7.2 meters. Write and solve an equation to fin
Naddik [55]

Answer:

7.2+x=19.5

x=19.5-7.2

x=12.2

Step-by-step explanation:

4 0
3 years ago
Man i wish i could see this answer
strojnjashka [21]
<span>Man, I wish I could see this answer.
Just copy you that the best answer.</span>
7 0
3 years ago
What is the arc measure of abc in degrees
Virty [35]

<u>Given</u>:

The measure of arc AB is (4y + 6)°

The measure of arc BC is (20y - 11)°

The measure of arc AC is (7y - 7)°

We need to determine the measure of arc ABC.

<u>Value of y:</u>

The value of y is given by

m \widehat{AB}+m \widehat{BC}+ m \widehat{AC}=360

Substituting the values, we get;

4y+6+20y-11+7y-7=360

Adding the like terms, we have;

31y-12=360

Adding both sides of the equation by 12, we have;

31y=372

   y=12

Thus, the value of y is 12.

<u>Measure of arc ABC:</u>

The measure of arc ABC can be determined by adding the measure of arc AB and arc BC.

Thus, we have;

m \widehat{ABC}=m \widehat{AB}+ m \widehat{BC}

m \widehat{AB}+m \widehat {BC}=4y+6+20y-11

                      =24y-5

Substituting y = 12, we get;

m \widehat{AB}+m \widehat {BC}=24(12)-5

                      =288-5

m \widehat{AB}+m \widehat {BC}=283^{\circ}

Thus, the measure of arc ABC is 283°

6 0
3 years ago
In Lucy's coin collection, 15% of the coins are quarters.
stepan [7]

The total number of coins in Lucy's coin collection is equal to 80 coins.

  • Let the total number of coins be C.

<u>Given the following data:</u>

  • Percentage of quarters = 15%
  • Total number of quarters = 12 quarters

To the total number of coins in Lucy's coin collection:

Since the percentage of the quarters in Lucy's coin collection is equal to fifteen percent (15%) of the total number of coins. Thus, we would multiply the total number of coins by 15% and equate it to 12 quarters.

<u>Total number</u><u> of </u><u>coins</u><u>:</u>

\frac{15}{100} \times C = 12\\\\15C=12 \times 100\\\\15C =1200\\\\C=\frac{1200}{15}

C = 80 coins.

Read more on word problem here: brainly.com/question/24604067

5 0
2 years ago
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