Which is equal to the product of HJ?

Answers

Answer 1

Answer: H = 1st row 4 -2 5
2nd row 6 1 -3

J = 1st column 7 3 8

1st row and 1st column: 4*7 + -2*3 + 5*8 = 28 - 6 + 40 = 62
2nd row and 1st column: 6*7 + 1*3 + -3*8 = 42 + 3 - 24 = 21

Answer is 2nd option. 62 and 21.

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If a ⊂ b, b may have more elements than a. True false

7 cakes cost £2.10 how much do ten cakes cost

Answers

Each cake cost $0.30 cents (Ironically.) So multiply 0.3 by 10 and you'll get your answer. Which is: 10 cakes costs $3.00.
Hope that helps!

Use the order of operations to solve the problem. 7 x 8 + 4 +1

Answers

Answer:

7x8 is 56 plus four plus one equals 61

Step-by-step explanation:

Ahmad has $x. Abu has $5 more than Ahmad. Razak has twice as much as Abu. Together they have $175. What is the value of x?

Answers

Abu X + 5

Razak 2x + 10

Ahmad X

Together 4x + 15

175 - 15 = 160

160 / 4 = 40

X = 40

Answer:$40

Step-by-step explanation:

F(x)=x2−x−1f, left parenthesis, x, right parenthesis, equals, x, squared, minus, x, minus, 1 What is the average rate of change of fffover the interval -1\leq x\leq 1−1≤x≤1minus, 1, is less than or equal to, x, is less than or equal to, 1?

Answers

The average rate of change of f(x) over the interval -1 ≤ x ≤ 1 is -1.

Given the function $f(x) = x^2 - x - 1$ over the interval -1 ≤ x ≤ 1, we need to calculate the difference in the function values at the endpoints of the interval and divide it by the difference in the x-values.

The value of f(x) at the endpoint x = -1:

f(-1) = (-1)² - (-1) - 1 = 1 + 1 - 1 = 1

Now, the value of f(x) at the endpoint x = 1:

f(1) = (1)² - (1) - 1 = 1 - 1 - 1 = -1

The difference in the function values is:

f(1) - f(-1) = -1 - 1 = -2

The difference in the x-values is:

1 - (-1) = 2

Now, we can calculate the average rate of change:

Average rate of change = (f(1) - f(-1)) / (1 - (-1)) = -2 / 2 = -1

Therefore, the average rate of change of f(x) over the interval -1 ≤ x ≤ 1 is -1.

Learn more about average rate;

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Answer:

ff has an average rate of change of zero over the interval

−

≤

�

≤

−1≤x≤2minus, 1, is less than or equal to, x, is less than or equal to, 2.

Step-by-step explanation:

-1≤x≤2

Choose the correct answer. The measure of space inside a three-dimensional form is defined as its _______________.A) equation

B) proportion

C) integer

D) volume

Answers

D volume...hope that helps

You originally draw a design for an art contest on a 2 in. x 5 in. card. The second phase of the contest requires the drawing to be transferred to an 8.5 in x 11 in. standard sheet of paper and utilize as much of the space on the paper as possible. You determine that the largest size one of the dimensions of your drawing can be is 10.5 in. What is the length of the other dimension if the two drawings are similar? Type your exact answer in the blank without the units, and round to the nearest tenths.

Answers

The correct answer is:
4.2 inches.

Explanation:
We use the size of the largest dimension of the reproduction to find the scale factor. The largest dimension of the original drawing was 5 inches.
The largest dimension of the reproduction is 11 inches.

To find the scale factor, divide:
$(11)/(5)$ =2.1.

Since the scale factor is 2.1, to find the smallest dimension of the reproduction we multiply the original by 2.1:
2*2.1=4.2 inches.

Answer:

Answer is 4.2 - I just took the quiz

Step-by-step explanation:

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8-9x-6-5x=4 can you please help me with this :)