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scZoUnD [109]
2 years ago
14

40 of the cats at the pet store are black, which is 25% of all cats. How many cats are there at the pet store

Mathematics
2 answers:
Arlecino [84]2 years ago
7 0

Answer:

160

Step-by-step explanation:

25%=1/4=0.25

=40×4

=160

tresset_1 [31]2 years ago
4 0

Answer:

There are 160 cats at the store.

Step-by-step explanation:

There are 40 black cats, which is 25% of all the cats. You are trying to find all the cats at the store, or 100% of the cats at the store. So:

40 = 25%

40(4) = 25% (4)

160 = 100%

There are 160 cats at the store.

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Please help me please! I’m stuck, and I can’t figure this out. Please include the form in your answer! No phony answers pls!
nevsk [136]

Answer:

x ≈ - 6.74, 0.74

Step-by-step explanation:

x² + 6x - 5 = 0 ( add 5 to both sides )

x² + 6x = 5

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(3)x + 9 = 5 + 9

(x + 3)² = 14 ( take square root of both sides )

x + 3 = ± \sqrt{14} ( subtract 3 from both sides )

x = - 3 ± \sqrt{14}

Then

x = - 3 - \sqrt{14} ≈ - 6.74 ( to the nearest hundredth )

x = - 3 + \sqrt{14} ≈ 0.74 ( to the nearest hundredth )

6 0
2 years ago
A skateboard ramp has a slope of 4/9. What is the measure of the angle the ramp forms with the ground
Mama L [17]

Answer:

Step-by-step explanation:

tanθ = 4/9

θ = arctan(4/9) ≈ 23.96°

7 0
3 years ago
Can you please help me with this problem .
Harrizon [31]

Answer:

4. -17

7. -9

Step-by-step explanation:

just fill them out to check

7 0
2 years ago
Each part of a race is 1/10 mile long. Marsha finished 5 part of the race.How far did marsha race?
andre [41]

We can multiply the number of parts Marsha has finished by the miles of each part:

5 × 1/10

= 5/10

=1/2

Therefore, she raced 1/2 miles.

Hope it helps!

5 0
3 years ago
( !!!!! )
Lyrx [107]
Answer: Cylinder 1 - 25.1327412283 cubic cm
Cylinder 2 - 100.5309469149 cubic cm
Cylinder 3 - 226.1946710585 cubic cm

For each of the cylinders, we will need to use the same formula, h(pi(r squared)).

Cylinder 1 - 8(pi(1 squared)). 1 squared = 1. pi × 1 = 3.1415926536. 3.1415926536 × 8 = 25.1327412283 cubic cm.

Cylinder 2 - 8(pi(2 squared)). 2 squared = 4. 4 × pi = 12.5663706144. 12.5663706144 × 8 = 100.5309469149 cubic cm.

Cylinder 3 - 8(pi(3 squared)). 3 squared = 9. 9 × pi = 28.2743338823. 28.2743338823 × 8 = 226.1946710585 cubic cm.

- Hope it helps!



5 0
2 years ago
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