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3 years ago

Helpppppppppppppppppp

Mathematics

1 answer:

erastova [34]3 years ago

3 0

Answer:

the answer is A

Step-by-step explanation:

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H(x) = -x^3-2x^2-3x+4; x=2

ioda

Answer:

h(2)=-18

Step-by-step explanation:

$h(x)=-x^3-2x^2-3x+4\\Substituting\ x=2,\\h(2)=-(2)^3-2(2)^2-3(2)+4\\h(2)=-(8)-2*4-6+4\\h(2)=-8-8-6+4\\h(2)=-22+4\\h(2)=-18$

4 0

3 years ago

Alex had 23 coins in his collection. He found 5 coins and gave Bill 8 coins. How many coins does Alex have now?

sashaice [31]

Alex has 20 coins now

8 0

3 years ago

Read 2 more answers

Gina's literacy bucket weighs 6 pounds. Her novel weighs 1 4/6 pounds, and her chrome book weighs 2 1/6 how much would her bucke

Paraphin [41]

Answer:

$2\frac{1}{6}$ pounds.

Step-by-step explanation:

We have been given that Gina's literacy bucket weighs 6 pounds. Her novel weighs 1 4/6 pounds, and her chrome book weighs 2 1/6.

To find weight of bucket after taking out the two items, we will subtract weight of each item from 6 pounds as:

$\text{Weight of bucket}=6-1\frac{4}{6}-2\frac{1}{6}$

Let us convert mixed fractions into improper fractions as:

$1\frac{4}{6}=\frac{6\cdot 1+4}{6}=\frac{10}{6}\\\\2\frac{1}{6}=\frac{6\cdot 2+1}{6}=\frac{12+1}{6}=\frac{13}{6}$

$\text{Weight of bucket}=6-\frac{10}{6}-\frac{13}{6}$

$\text{Weight of bucket}=\frac{6\cdot 6}{6}-\frac{10}{6}-\frac{13}{6}$

$\text{Weight of bucket}=\frac{36}{6}-\frac{10}{6}-\frac{13}{6}$

Combine numerators:

$\text{Weight of bucket}=\frac{36-10-13}{6}$

$\text{Weight of bucket}=\frac{13}{6}$

$\text{Weight of bucket}=2\frac{1}{6}$

Therefore, the weight of the bucket is $2\frac{1}{6}$ pounds.

6 0

4 years ago

I dont really understand this so can someone help me please!

pychu [463]

The area of a circle is pi times the radius squared. the radius of this circle is 16.8cm, which is 282cm when squared. multiplied by pi it becomes 887cm.

3 0

3 years ago

The number of permutations of n elements taken r at a time is given by the formula ________.

kondor19780726 [428]

Answer:

$P(n,r) = \dfrac{n!}{(n-r)!}$

Step-by-step explanation:

We have to fill the blank.

The number of permutations of n elements taken r at a time is given by the formula:

$P(n,r) =^nP_r = \dfrac{n!}{(n-r)!}$

Permutation is an arrangement of subsets of a larger set in regard with order of the arrangement.

where n is the the larger set and we have to choose r items from n such that there is no repetition.

In permutation, order is important.

8 0

4 years ago