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3 years ago

Find the number that makes the ratio equivalent to 1:6. 9:__

Mathematics

1 answer:

klio [65]3 years ago

3 0

Okay, what do we know?

1*6=6, right?

Well, then 9*6=? (you should know your math facts by now)

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A) If a + 5 = 15, then find the value of a

ozzi

Answer:

The answer is 10

Step-by-step explanation:

a + 5 =15

15-5=10

6 0

3 years ago

Read 2 more answers

How to write 30 1/4% as a fraction in simplest formq

ycow [4]

$p\%=\dfrac{p}{100}\\\\30\dfrac{1}{4}=\dfrac{30\cdot4+1}{4}=\dfrac{121}{4}\\\\30\dfrac{1}{4}\%=\dfrac{121}{4}\%=\dfrac{\frac{121}{4}}{100}=\dfrac{121}{4}\cdot\dfrac{1}{100}=\dfrac{121}{400}\\\\Answer:\boxed{30\frac{1}{4}\%=\frac{121}{400}}$

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3 years ago

Express the shaded part of the model using decimals and percents.

earnstyle [38]

Decimal: . 13
Percent : 0.13

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3 years ago

5w+10=40

Ratling [72]

Answer:

Step-by-step explanation:

5w+10=40

5w=40-10

5w=30

w=30/5

w=6

Answer: A) 6

-------------------

10k+5=65

10k=65-5

10k=60

k=60/10

k=6

Answer: k=6

-------------------

2b-15=33

2b=33+15

2b=48

b=48/2

b=24

Answer: b=24

-----------------------

3d+18=21

3d=21-18

3d=3

d=3/3

d=1

Answer: d=1

6 0

3 years ago

If a dart was thrown randomly at the dart board shown below, what is the probability that it would land between the outer circle

Mademuasel [1]

Answer: B) 67%

<u>Step-by-step explanation:</u>

Find the Area of the Bullseye and Middle ring

A = π r²

A (inside) = π(8)² = 64π

Find the Area of the entire Target

A (target) = π (14)² = 196π

Find the Area of the Outer ring

A (outer ring) = A (target) - A(inside)

= 196 π - 64π

= 132 π

The last step is to find the probability of landing on the outer ring:

$P=\dfrac{success (area\ of\ outer\ ring)}{total\ possible\ outcomes(area\ of\ target)}=\dfrac{132\pi}{196\pi}=0.673=\large\boxed{67\%}$

7 0

3 years ago