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2 years ago

55% of the students scored at least 80 on the math test. True False

Mathematics

1 answer:

levacccp [35]2 years ago

8 0

False I’m pretty sure hehe

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3. Timmy has a total of 15 dimes and nickels in his pocket. He has 7 more

erik [133]

Answer:

hi BS

Step-by-step explanation:

nickels 15. dimes 15

7 more means

15+7 giving us 22

4 0

3 years ago

Please find the value of this one expression

Masja [62]

Answer:

Solving the expression $\frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-\frac{18}{\sqrt{81} } -2)$ we get 6

The answer is 6.

Step-by-step explanation:

We need to find value of expression: $\frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-\frac{18}{\sqrt{81} } -2)$

We know that $\sqrt{81}=9$

Our expression will become

$\frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-\frac{18}{\sqrt{81} } -2)\\=\frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-\frac{18}{9 } -2)\\=\frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-2 -2)\\=\frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-4)\\=\frac{2}{\sqrt[6]{8} }.\sqrt{2}+4$

We can write $\sqrt[6]{8}=(2^3)^{\frac{1}{6}}=(2)^{\frac{3}{6}}=2^\frac{1}{2}=\sqrt{2} \\$

Now, replacing $\sqrt[6]{8}=\sqrt{2}$

$=\frac{2}{\sqrt[6]{8} }.\sqrt{2}+4\\=\frac{2}{\sqrt{2} }.\sqrt{2}+4\\=2+4\\=6$

So, solving the expression $\frac{2}{\sqrt[6]{8} }.\sqrt{2}-(-\frac{18}{\sqrt{81} } -2)$ we get 6

3 0

3 years ago

Someone help me with these 3 problems!!!! Due tomorrow!!!

Neporo4naja [7]

Answer:

3. x $\leq$ -1

5. n $\geq$ 6

7. n $>$ 11

Step-by-step explanation:

3. -7+x $\geq$ -8 5. n-2 $\leq$ 4 7. -18+n-7

+7 +7 +2 +2 +18 +18

x $\leq$ -1 n $\geq$ 6 n $>$ 11

6 0

2 years ago

Solve these equations. Show solutions on a number line. |x+8|=x+8

statuscvo [17]

Answer:

-8 < x < inf

[-8 , inf )

Step-by-step explanation:

set up a +/- |x + 8| = x + 8

the setup a number line and use test points

3 0

3 years ago

PLSSS HELPPP give me the answers and explain

icang [17]

Y: -4, -2, 0, 2, 4, 6

4 0

2 years ago