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PIT_PIT [208]
3 years ago
10

Which numbers are solutions to the equation 30=x2

Mathematics
1 answer:
GaryK [48]3 years ago
6 0

Answer:

x = +√30

Step-by-step explanation:

Please write 30 = x squared as 30 = x^2.

If x^2 = 30, there are two solutions:  x = +√30 and x = -√30.

Several possible answers are given.    x=30−−√ is closest to the correct one, but must be written as x = √30.  Please ask someone how to find the "√" operator in Brainly.  Or, just write "sqrt(      )" instead.

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Phil is 2 years older than Andrew. Andrew is 6 years old. The sum of their ages is 22 years. How old is Bob?
KatRina [158]

Answer:

he would be 14

Step-by-step explanation:

5 0
3 years ago
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Priscilla’s grandmother’s fruit salad recipe calls for one part apple, one part orange, four parts strawberry, two parts cherry,
Anvisha [2.4K]

Answer:

Step-by-step explanation:

There are 11 parts of fruit: 4-strawberry, 3- grape, 2, cherry, 1- apple, 1-orange

4/11 from the entine quantity of fruits- strawberry

3/11-grapes

2/11- cherries

1/11- apples

1/11- oranges } ⇒ the quantity of oranges and apples are equal

The biggest part of the fruit- 4/11 - are strawberries

4/11>3/11>2/11>1/11

the smallest part of the fruit- apples and oranges

5 0
3 years ago
55 more than a number is twenty.
Mrac [35]

Answer:-35

Step-by-step explanation:

To find 55 more a number equal to 20

We get

Let the number b y

55 more than the number

We be

y+55=20

y=20-55

y=-35

7 0
3 years ago
The diagram shows the plans for the triangular part. How much longer is BC then AC
faust18 [17]

Answer:

Choice 2.

Step-by-step explanation: do 3x^2+10x-8, distribute AC -(15x+4), and you would get -15x-4. Combine like terms, and get 3x^2-5x-12

4 0
3 years ago
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In the figure, two parallel lines are cut by two other parallel lines. The measure of one of the angles is labeled. Find the mea
11111nata11111 [884]

Answer:

The measure of the angles are

m∠1=128°

m∠2=52°

m∠3=52°

m∠4=128°

m∠5=128°

m∠6=128°

m∠7=52°

m∠8=52°

Step-by-step explanation:

see the attached figure with numbers to better understand the problem

step 1

Find the measure of angle 5  

we know that

m∠5+52°=180° ----> by consecutive interior angles

m∠5=180°-52°=128°

step 2

Find the measure of angle 8

we know that

m∠8=52° ----> by vertical angles

step 3  

Find the measure of angle 7

we know that

m∠7=m∠8 ----> by corresponding angles

we have

m∠8=52°

therefore

m∠7=52°

step 4

Find the measure of angle 6

we know that

m∠6+m∠7=180° ----> by supplementary angles

we have

m∠7=52°

therefore

m∠6+52°=180°

m∠6=180°-52°=128°

step 5

Find the measure of angle 3

we know that

m∠3+m∠6=180° ----> by consecutive interior angles

we have

m∠6=128°

m∠3=180°-128°=52°

step 6

Find the measure of angle 2

we know that

m∠2=m∠3 ----> by vertical angles

we have

m∠3=52°

therefore

m∠2=52°

step 7

Find the measure of angle 1

we know that

m∠1+m∠3=180° ----> by supplementary angles

we have

m∠3=52°

therefore

m∠1+52°=180°

m∠1=180°-52°=128°

step 8

Find the measure of angle 4

we know that

m∠4=m∠1 ----> by vertical angles

we have

m∠1=128°

therefore

m∠4=128°

5 0
3 years ago
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