3 years ago

Pie charts without the amount of things?

1 answer:

7 0

You can find total number of cars doing this:
72° - 8 cars
360° - X cars

X = (360 * 8) / 72

You follow the logic for the cars

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What value of $k$ will make $4x^2 - 20x + k$ the square of a binomial?

Arisa [49]

Answer:

k = 25

Step-by-step explanation:

(2x - sqrt(k) )^2 Expand this as a binomial

4x^2 - 4x*sqrt(k) + k The middle term must be -20x Solve for k so it is

-4xsqrt(k) = - 20x Divide by -4x

sqrt(k) = -20x/-4x Do the division

sqrt(k) = 5 Square both sides

k = 25

5 0

3 years ago

it takes 29 minutes to ride your skateboard to school, give or take 4 minutes. what are the possible times (t) it takes you to g

lorasvet [3.4K]

29-4 = 25
29+4 = 33
So, from 25 to 33 minutes.

5 0

3 years ago

Adam takes a loan of $8,250 at a 7% simple rate for 5 years. How much will be paid after 3 years? how much interest will be paid

Diano4ka-milaya [45]

$4,950 will be paid after 3 years.
$577.50 will be paid as interest for the total loan.

6 0

3 years ago

(Pls help) I need help finding x!

Ray Of Light [21]

Answer:

x ≈ 46°

Step-by-step explanation:

Since the triangle is right use the sine ratio to solve for x

sinx = $\frac{opposite}{hypotenuse}$ = $\frac{10}{14}$ , hence

x = $sin^{-1}$ ( $\frac{10}{14}$ ) ≈ 46°

8 0

2 years ago

Solve for a<br>5+14a=9a-5 a=

poizon [28]

Answer:

-2

Step-by-step explanation:

5+14a=9a-5

+5 +5

10+14a=9a

-9a -9a

10+5a=0

-5a -5a

10= -5a

÷5 ÷5

2= -a

*-1 *-1

-2=a

4 0

3 years ago