Ask question

Ask question

All categories

3 years ago

15

A student bought 34 pencils for school. If he sharpened 16 of the pencils before school, what is his ratio of unsharpened pencil

s to sharpened pencils?

1 answer:

velikii [3]3 years ago

3 0

18:16 so yea, it was hard for me too at first

You might be interested in

In a lab, a substance was heated by 16°C over a period of 4 hours at a constant rate. What was the change in temperature each ho

Arada [10]

Answer:

4° C per hour

Step-by-step explanation:

16/4 will give us the temperature change every hour

5 0

3 years ago

Read 2 more answers

Please help me with #'s 5&6

Fynjy0 [20]

$5.\\(x+3)^2+7=-2\qquad|-7\\\\(x+3)^2=-9 < 0\\\\\text{NO REAL SOLUTION}\\\\(x+3)^2=-9\to x+3=\pm\sqrt{-9}\\\\x+3=-3i\ \vee\ x+3=3i\qquad|-3\\\\\boxed{x=-3-3i\ \vee\ x=-3+3i}$

$6.\\4(x-10)^2=25\qquad|:4\\\\(x-10)^2=\dfrac{25}{4}\to x-10=\pm\sqrt{\dfrac{25}{4}}\\\\x-10=-\dfrac{\sqrt{25}}{\sqrt4}\ \vee\ x-10=\dfrac{\sqrt{25}}{\sqrt4}\\\\x-10=-\dfrac{5}{2}\ \vee\ x-10=\dfrac{5}{2}\\\\x-10=-2.5\ \vee\ x-10=2.5\qquad|+10\\\\\boxed{x=7.5\ \vee\ x=12.5}$

7 0

3 years ago

Simplify: √8x^5+ x√18x^3<br>÷x^2√50x

Sergeu [11.5K]

Answer:

10x^2 √2x

Step-by-step explanation:

hope this helps

lmk if it's wrong

7 0

2 years ago

Hello im back<br> i got a headache in Philippines server so i don't wanna come back to that server

raketka [301]

Answer:

Hello

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

X -3y = -13 and 4x + 2y = 4

Illusion [34]

Answer: x=−1 and y=4

Step-by-step explanation:

5 0

2 years ago