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3 years ago

A car travels 6 miles in 5 minutes. How fast is it going in miles per hour? How fast is it going in meters per second?

Mathematics

2 answers:

frosja888 [35]3 years ago

7 0

72 miles per hour 6x5=30 + 32

belka [17]3 years ago

5 0

Answer:

72 m\ p.h.

Step-by-step explanation:

we have 60 minute in one hour

we must divide 60 by 5=12

then 6*12=72!!!

it is very easy

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What is the length of the diameter of a circle if the endpoints of the diameter are at the points (4, 2) and (–6, –1)?

Oksana_A [137]

Answer:

d= 10.44030651

Step-by-step explanation:

The diameter is the length between the endpoints. We can find it using the distance formula.

d= sqrt((x2-x1)^2+(y2-y1)^2 )

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3 years ago

An appliance repairman charges $50 for service calls plus $25 per hour for labor. Write and solve an equation to determine how m

Pavlova-9 [17]

Answer:

C = $137.50

Step-by-step explanation:

Okie dokie, so we already know he charges $50 just for a service call, plus 25 per hour, so let's say the total charge is C.

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C = 50 + 25(3.5)

Now, multiply 25 and 3.5 together:

C = 50 + 87.5

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Hope this helps :)

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3 years ago

A servey was conducted of 50 high school students, selected at random to find out how they travel to school. The table shows som

DedPeter [7]

I can help, but I need you to elaborate

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3 years ago

The formula A equals =P left parenthesis 1 plus r right parenthesis squared (1+r)2 gives the amount A in dollars that P dollars

vlabodo [156]

The interest rate is 3.5%.

EXPLANATION

We substitute the given values into the formula;

$A=P(1+\frac{r}{100})^t$

to obtain

$6427.35=6000(1+\frac{r}{100})^2$

We divide through by 6000 to obtain,

$\frac{6427.35}{6000}=(1+\frac{r}{100})^2$

This implies that,

$1.071225=(1+\frac{r}{100})^2$

We take the square root of both sides,

$\sqrt{1.071225}=(1+\frac{r}{100})$

This gives us,

$1.035=(1+\frac{r}{100})$

Add -1 to both sides of the equation to obtain

$0.035=\frac{r}{100}$

Multiply through by 100 to obtain;

$r=3.5$ %

$Therefore the rate is 3.5%$

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3 years ago

If a discriminant is negative, then the quadratic has:

Serjik [45]

Step-by-step explanation:

the answer is

........b

7 0

3 years ago

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