3 years ago

Select all of the following that represent quadratic expressions:

Mathematics

1 answer:

suter [353]3 years ago

7 0

C. (x + 2)(x + 1)

it can be turned into an equation :)

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Suppose point C is at (–1, –1). Use the numbers below to explain the distance that a fourth point, D, should be from the existin

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whats the anwserrrrrrrr

Step-by-step explanation:

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3 years ago

4 girls and 2 boys are working on an art project they have four square pieces of felt if each person gets an equal share of the

maksim [4K]

(4 pieces) / (6 kids) = (4/6) (pieces/kids) = 2/3 piece/kid

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3 years ago

Diastolic blood pressures are assumed to follow a normal distribution with a mean of 85 and a standard deviation of 12. What pro

Bogdan [553]

Answer:

0.3745

Step-by-step explanation:

We have to solve the problem by calculating the z-score value that has the following formula:

z <(x - m) / sd

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replacing:

p (x <80) = z <(80 - 85) / 12

z <-0.416, we look for this value in the normal distribution table and it corresponds to:

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3 years ago

Find the average rate of change of

Bas_tet [7]

Answer:

Rate of change = - 4

Step-by-step explanation:

$h(x) = -x^2 + 3x + 1 \\\\h(2) = -(2)^2 + (3 \times 2) + 1 = - 4 + 6 + 1 = 3\\h(5) = - (5)^2 + ( 3 \times 5) + 1 = - 25 + 15 + 1 = -9\\$

Rate of change :

$= \frac{h(2) - h(5)}{2-5} = \frac{3-(-9)}{2-5} = \frac{3+9}{-3} = - \frac{12}{3} = -4$

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3 years ago

The tree house. Juanita is building is two two wholes and 2 1 / 2 ft from the ground the tree house that Rosa is building is fiv

Molodets [167]

Answer: 2/21 hope this helps : )

Step-by-step explanation: ok the way you do this s 21/2 times five then simplify, 5 is the GCF of 105 and 10 and when you simplify you get 21/2 flip the denominator with the divisor and you get 2/21

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3 years ago