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3 years ago

Carlos ran 7 miles in 57/3/4 minutes. How fast did he run each mile?

Mathematics

1 answer:

Sedaia [141]3 years ago

4 0

Devide your time by 7

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If x square plus 8x plus q =(x plus k) Square find the value of k and q

PIT_PIT [208]

Answer:

The value of k is 4 and q is 16.

Step-by-step explanation:

First, you have to expand the brackets by applying :

${(a + b)}^{2} = {a}^{2} + 2ab + {b}^{2}$

${x}^{2} + 8x + q = {(x + k)}^{2}$

${x}^{2} + 8x + q = {x}^{2} + 2kx + {k}^{2}$

Next, you have to do it by comparison :

${x}^{2} + 8x + q = {x}^{2} + 2kx + {k}^{2}$

$by \: comparison$

$8x = 2kx$

$8 = 2k$

$k = 4$

$q = {k}^{2}$

$q = {4}^{2}$

$q = 16$

7 0

3 years ago

A growth factor is a value that is greater than 1?

amm1812

Answer:

No, it is a value that is greater than 0

Step-by-step explanation:

A growth factor is indeed a value greater than 1 except it can be a decimal below 1 to. Therefore, a growth value is any POSITIVE number.

6 0

2 years ago

3. The student council is selling roses to collect funds for a charity. The graph be

dexar [7]

Answer:

$Unit = 3$

Step-by-step explanation:

Given

See attachment for graph

Required

The unit cost

Pick any point on the dots of the graph; we have:

$(x,y) = (2,6)$

The unit cost is then calculated as:

$Unit = \frac{6}{2}$

$Unit = 3$

5 0

3 years ago

A recipe that serves two people calls for 1/2 cup of flour. How much flour will the cook need to serve eight people? A.1 1/2 cup

Marat540 [252]

Answer:

B.2 cups

Step-by-step explanation:

Because 1/2+1/2+1/2+1/2=2 cups

5 0

3 years ago

Read 2 more answers

Which characteristics best describe the undefined concept?

never [62]

Line. A line would have a length but has no width

4 0

3 years ago