30.25. Thirty is the whole number, therefore it goes before the decimal. The 25 hundredths come after the decimal. The first Slot after the decimal is the tenths. And the second is the hundredths. .25 is twenty five hundredths.

4 0

3 years ago

The radius of a cylinder is increased by 15% and its height is decreased by 20%. Find the percentage change in the volume of the

Alexxx [7]

First cylinder(V1) = $\pi$ r²h

insert 10 as r&h
⇒V1 = 1000 $\pi$

second cylinder(V2)= $\pi$ ×11.5² × 8 = 1058 $\pi$

V2-V1 = 58 $\pi$

100 × $\frac{58 \pi }{1000 \pi }$ = 5.8% increase

8 0

3 years ago

X+y=2 2x^2+xy+1 Plz answer

iren2701 [21]

Answer:

answer is y^2-6y+9

Step-by-step explanation:

first take out the value of x from equation 1 which is x=(2-y)

then put the value of x in equation 2 u will get ur answer as y^2-6y+9

6 0

3 years ago

I Need Help With 6a. Plz

shutvik [7]

Dwarf crocodile because the dots are more together than with the other. They are showing more consistent results.

5 0

4 years ago

Ben bowled 147 and 182 in his first two games. What must he bowl in his third game to have an average of at least 170​?

Ben bowled 147 and 182 in his first two games. What must he bowl in his third game to have an average of at least 170?