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My name is Ann [436]
3 years ago
11

Need Math help ASAP

Mathematics
1 answer:
Ber [7]3 years ago
4 0

Answer:

35 seconds

Step-by-step explanation:

At negative values he is inside the volcano,  when he reaches 0 he will be at the top of the volcano

At 35 seconds, the elevation is 0, so he is at the top of the volcano

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Geometry<br> What is the value of x to the nearest tenth?
Setler [38]

Answer:

  x = 9.4

Step-by-step explanation:

The angle bisector divides the sides proportionally:

  x/15.4 = 4.7/7.7

  x = (15.4)(4.7/7.7) . . . . multiply by 15.4

  x = 9.4

5 0
2 years ago
Suski is making lemonade to bring to the beach. She has two containers. One holds one gallon and the other holds 6 quarts. If sh
Arte-miy333 [17]

Answer:

nsjzjzk

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Please answer this correctly without making mistakes
Ludmilka [50]

Answer:

10 9/20

Step-by-step explanation:

<em>Hey there!</em>

If Hillsboro to Campbell is 16 2/20 and Hillsboro to Oxford is 5 13/20,

we’ll do

16 2/20 - 5 13/20

Imrpoper form

322/20 - 113/20

322 - 113

209/20

10 9/20 miles from Oxford to Campbell.

<em>Hope this helps :)</em>

6 0
3 years ago
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What is y+7/7y÷3y^2+21y/14y−5 simplified?
Soloha48 [4]
This becomes...........

[(y+7)/7y] x [(14y-5)/(3y^2+21y)]= [(y+7)/7y] x [(14y-5)/3y(y+7)]= [1/7y] x [(14y-5)/3y]= [(14y-5)/21y]


6 0
3 years ago
4n² +7n=0 what do I do if there is no part c?
Gnoma [55]

Answer:

  • Find the coefficients using ax^2 + bx + c = 0

a = 4

b = 7

c = 0

  • Make the coefficient equal 1. But how do we do that? Division.

4n² + 7n = 0

4/4n² + 7n/4 = 0/4

  • Simplify

= n² + 7/4n = 0

a = 1

b = 7/4

c = 0

  • Complete the square using b/2².

b = 7/4

(b/2)² = (7/4 ÷ 2)²

Use fraction rule.

7/4 ÷ 2² = 7/4² / 2²

<em>square the numbers</em>

7/4² / 2² = 49/16 ÷ 4

49/16 ÷ 4 = 49/16 × 1/4

49/16 × 1/4 = 49/64

Add to both sides of the equation using 49/64

b = 7/4

b/2 = 7/4 ÷ 2

<em>simplify</em>

b/2 = 7 ÷ (4 × 2)

<em>simplify(arithmetic)</em>

b/2 = 7/8

n² + 7/4n + 49/64 = 49/64

(n + 7/8)² = 49/64

  • Solve for the unknown x

(n+\frac{7}{8})^2=\frac{49}{64}\\\sqrt{(n+\frac{7}{8})^2}=\sqrt{\frac{49}{64}}\\

Next, cancel out the square on the left side.

n+\frac{7}{8}=+/-\sqrt{\frac{49}{64}}

Subtract 7/8 from both of the sides.

n+\frac{7}{8}-\frac{7}{8}=-\frac{7}{8}+/-\sqrt{\frac{49}{64}}

Simplify the left side.

n=-\frac{7}{8}+/-\sqrt{\frac{49}{64}}\\n=-\frac{7}{8}+/-\frac{\sqrt{49}}{\sqrt{64}}\\n=-\frac{7}{8}+/-\frac{7}{8}\\n_1=0\\n_2=-\frac{7}{4}

<em>That wraps it up for this equation. Hope it helped!</em>

3 0
1 year ago
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