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masya89 [10]
3 years ago
8

Use the quadratic formula to solve x² + 9x + 10 = 0.

Mathematics
2 answers:
valentina_108 [34]3 years ago
7 0
C.x=-7.7 and x=-1.3 should be the answer
maxonik [38]3 years ago
6 0
C SOULD BE THE RIGHT ANSWER
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One side of a rectangle is 3ft shorter than twice the other side. Find the sides if the perimeter is 24ft
Svetllana [295]

Answer:

X=7, Y=5

Step-by-step explanation:

In the attached file

3 0
3 years ago
Red and grey bricks were used to build a decorative wall. The number of red bricks and grey bricks was 5/2. There were 140 brick
ozzi

Answer:

100 red bricks

Step-by-step explanation:

Let's say red bricks is equal to 5x

Gray bricks is equal to 2x

We have an equation

2x + 5x = 140

= 7x = 140

Divide through by 7 to get the value of x

X = 140/7

X = 20

Red bricks = 5(x)

= 5(20)

= 100

Gray bricks = 2(x)

= 2(20)

= 40

Therefore in conclusion the number of red bricks is 100.

5 0
2 years ago
Given that the population density of Georgia is 170 people per square mile and 10,100,000 people live in Georgia, what is the ar
WINSTONCH [101]

Answer: Option 'D' is correct.

Step-by-step explanation:

Since we have given that

Number of people living in Georgia = 10,100,000

Number of people living in per square mile = 170

So, we need to find the area of the state :

So, Area of the state is given by

\frac{\text{Total Population}}{\text{ Number of people per square mile }}\\\\=\frac{10100000}{170}\\\\=59411.76\\\\=59400(\text{ nearest hundred }mi^2)

Hence, Option 'D' is correct.

7 0
3 years ago
Read 2 more answers
Please answer this it would be very helpful if you did.
Dmitriy789 [7]

Answer:

See below ↓↓↓

Step-by-step explanation:

<u>Probability of getting heads</u>

  • Outcome (head) = 1
  • Total outcomes = 2
  • P (head) = <u>1/2</u>

<u></u>

<u>Probability of getting an odd number</u>

  • Outcome (odd) = {1, 3, 5} = 3
  • Total outcomes = 6
  • P (odd) = 3/6 = <u>1/2</u>

<u></u>

The outcomes are equally likely because the probabiity of each outcome is the same.

5 0
2 years ago
Please help me. 100 points for all answers. But u HAVE TO ANSWER THEM ALL OR BE REPORTED!
Masteriza [31]

Answer:

1)7 2/8

2) 4 1/2

3) 7 2/4

4) 4 3/5

5) 7 1/9

6) 3 2/8

I will add more answers once I add this answer.

Step-by-step explanation: 1) you divide the top number by 8 then you will get 7 with a remainder of 2. 7 is the whole number and 2 will be on top of the fraction. do the same with all other problems.

7 0
3 years ago
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