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Nataliya [291]
4 years ago
10

What is the unit rate of $91 and 14 hours

Mathematics
1 answer:
Readme [11.4K]4 years ago
7 0
$91/$14=$6.5 so the unit rate is $6.50
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How many solutions does the system of equations below have? <br> y=2x+5<br> y=2x+5
Softa [21]

Answer:

one

Step-by-step explanation:

4 0
3 years ago
Rina is 6x + 3:8 feet tall and Ryan is 5x + 1/8 feet tall. How much taller is Rina than Ryan?
Dimas [21]

Answer: Rina is x+\dfrac{1}{4} feet taller than Ryan.

Step-by-step explanation:

Given, the height of Rina = 6x+\dfrac{3}{8} feet

The height of Ryan = 5x+\dfrac{1}{8} feet

To find : How much taller is Rina than Ryan?

Clue : Rina is taller than Ryan.

For that , we need to check the difference of the height between Ryan and Rina

i.e. (height of Rina) - (height of Ryan)

=6x+\dfrac{3}{8}-(5x+\dfrac{1}{8})\\\\=6x+\dfrac{3}{8}-5x-\dfrac{1}{8}\\\\=x+\dfrac{3-1}{8}\\\\=x+\dfrac{2}{8}\\\\=x+\dfrac{1}{4}

Hence, Rina is x+\dfrac{1}{4} feet taller than Ryan.

8 0
4 years ago
Given: PQ ⊥ QR , PR=20, SR=11, QS=5 Find: The value of PS.
Neporo4naja [7]

1. PQR and is a right triangle, so you can calculate the measure of PQ by applying the Pythagorean Theorem. PR is the hypotenuse and QR and PQ are the legs:

PR^{2}=PQ^{2}+QR^{2}\\ PQ=\sqrt{PR^{2}-QR^{2}}\\ PQ=\sqrt{20^{2}-16^{2}} \\ PQ=12

2. PQS and is a right triangle too, so you can calculate the measure of PS by applying the Pythagorean Theorem as above. PS is the hypotenuse and PQ and QS are the legs:

PS=\sqrt{PQ^{2}+QS^{2}}=13

Therefore, the answer is: The value of PS is 13.

6 0
3 years ago
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PLZ HELP WILL MARK AS BRAINLEST 30 POINTS
balandron [24]

area of circle : πr²

area of sector : x/360 x πr²

firstly, you have to find. the area of a circle

π(6)² = 36π

then, find the area of the of the sector (not in the shape)

90°/360° x π(6)² = 12π

[90° is given)]

next, you just minus the total and the area of the sector.

36(3.14) - 12(3.14) = 75.36 units

6 0
3 years ago
A coin is flipped 8 times. Find the probability of the event exactly: 8 heads
kykrilka [37]
(1/2)^8=0,0039 --> 0,39%
3 0
3 years ago
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