2 years ago

I need help with this question.

Mathematics

1 answer:

scZoUnD [109]2 years ago

4 0

Answer:

Step-by-step explanation:

don't ask how I got it I looked it up

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Daniel ran ¾ of a mile every day for 7 days. How many miles did David run after seven days?

VLD [36.1K]

Answer:

5.25 miles

Step-by-step explanation:

Convert 3/4 to a decimal=

0.75

Then, multiply 0.75 with 7

0.75×7=5.25

David ran 5.25 miles in 7 days

5 0

2 years ago

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Rate of change on a graph.- I'll give brainly for the answer, thank you

Norma-Jean [14]

Answer:

The slope of graph is $\mathbf{\frac{3}{2}}$

Option C is correct option.

Step-by-step explanation:

We need to find the slope (rate of change) of the graph

The formula to calculate slope is: $Slope=\frac{y_2-y_1}{x_2-x_1}$

Taking two points from the graph: (You can take any two points from the graph)

Point 1 (-4,-3)

Point 2 (-2,0)

We have: $x_1=-4, y_1=-3, x_2=-2, y_2=0$

Putting values in the formula and finding slope

$Slope=\frac{y_2-y_1}{x_2-x_1}\\Slope=\frac{0-(-3)}{-2-(-4)} \\Slope=\frac{0+3}{-2+4} \\Slope=\frac{3}{2}$

So, the slope of graph is $\mathbf{\frac{3}{2}}$

Option C is correct option.

6 0

2 years ago

Lliana started to evaluate the function f(x)=2x^2-3x+7 for the input value 2. What is the value of the function when x=2?

andrey2020 [161]

Answer:it is 9 because you subtract 6 from the 8 and then you add 2 and 7 to get 9

Step-by-step explanation:

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2 years ago

How do you write 8.317 x10^6 in standard form

CaHeK987 [17]

Answer:

8.317 x 10^6 = 8,317,000

Step-by-step explanation:

You move the decimal over 6 places to the right because it's a positive number. If it were 10^-6 you would move the decimal over 6 places to the left.

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2 years ago

I need to figure out what x is for my homework and I’m so confused teehee.

garik1379 [7]

Answer:

x = 9

Step-by-step explanation:

set a proportion: 8/12 = 6/x => 8x = 72 => x = 9

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2 years ago