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svetlana [45]
3 years ago
14

Paige asked 30 random students in her school if they use the internet to help with homework. Of these students, 18 students said

they do use the internet to help with homework. Based on the results of this survey, how many of the 480 total students in Paige’s school could she predict use the internet to help with homework?
A:144
B:230
C:288
D:320
Mathematics
1 answer:
Anna35 [415]3 years ago
5 0

Answer:

288

Step-by-step explanation:

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What is the solution to the quadratic equation 8m^2+7m-15=-7 ?
Aleks04 [339]
Make equal to zero
add7 both sides
8m^2+7m-8=0
quadratic fomrula

if you have
ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}

8m^2+7m-8=0
a=8
b=7
c=-8

x=\frac{-7+/- \sqrt{7^{2}-4(8)(-8)} }{2(8)}
x=\frac{-7+/- \sqrt{49+256} }{16}
x=\frac{-7+/- \sqrt{305} }{16}

x=\frac{-7+ \sqrt{305} }{16} or x=\frac{-7- \sqrt{305} }{16}

aprox
x=-1.52902 or 0.654016


4 0
3 years ago
Suppose that the Band Booster Club sells 25 blanket wraps during a chilly football game. Use the graph to determine how many T-s
igor_vitrenko [27]

Answer:

Can I see the graph?

Step-by-step explanation:

You need the info of the graph to get the answer.

6 0
2 years ago
Defining congruent triangles cd​
Evgen [1.6K]

Answer:

When two triangles are congruent they will have exactly the same three sides and exactly the same three angles. The equal sides and angles may not be in the same position (if there is a turn or a flip), but they are there.

Step-by-step explanation:

When two triangles are congruent they will have exactly the same three sides and exactly the same three angles. The equal sides and angles may not be in the same position (if there is a turn or a flip), but they are there.

8 0
3 years ago
Suppose your school plans a musical. The directors goal is ticket sales of at least $4500. Adult tickets are $7.50 and student t
Evgesh-ka [11]
D because it says you will be getting at least 4500 or more dollars by adding the adult and student tickets
7 0
3 years ago
Solve for x.<br> 109= -x + 267<br> X=<br> x 5<br> ?
SOVA2 [1]

Answer:

x=158

Step-by-step explanation:

109=-x+267

-267     -267

-158=-x

x=158

(also i noticed part of your question says x=(?)*5 and 31.6*5 is 158 so that would be 31.6)

7 0
2 years ago
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