3 years ago

The sum of 121 and h =

Mathematics

1 answer:

Black_prince [1.1K]3 years ago

4 0

Answer:121+h

Step-by-step explanation:

the sum of 121 and h is 121+h

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Guys 20 points please helpppp

Igoryamba

Answer:

i would say your right

Step-by-step explanation:

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3 years ago

The scale of the map is messing the actual distance from library to the west quill is 72 miles and it is 6 inches on the map wha

Sonbull [250]

Answer:

A) 12 miles per inch

B) 36 miles from west quail, 48 from liberty

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3 years ago

A scale model of a human heart is 190 Inches long. The scale is 34 to 1. How many Inches long is the actual

Alika [10]

Answer:

6 inches long

Step-by-step explanation:

190/x = 34/1

34x = 190

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rounded to the nearest whole number is 6

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3 years ago

What are the factors in the expression 4(5+x)

Daniel [21]

The factors are the parts that are being multiplied together.

4 and (5+x) are the two that are being multiplied and also the expression you get when you factor the distributed expression.

So the factors of 4(5+x) are:

4 and (5+x)

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3 years ago

If a coin is flipped 75 times, in how many ways could there be exactly two tails?

Dimas [21]

Answer:

2775 ways

Step-by-step explanation:

We have been given the case to choose exactly two tails when flipped 75 times means $^{75}C_2$

Since, $^nC_r$ is equal to $\frac{n!}{r!\cdot(n-r)!}$

Here n =75, r=2 substituting the values we will get

$\frac{75!}{2!(75-2)!}$

$n!=n\cdot (n-1)\cdot (n-2).....1$

After simplification we will get $\frac{75\cdot 74\cdot 73!}{2!\cdot73!}$

Cancel out the common term that is 73! we will get

after more simplification we will get $\frac{75\cdot 74\cdot}{2!}$

Finally, we will get $\frac{75\cdot 74\cdot}{2}=75\cdot37=2775$

4 0

3 years ago

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