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lidiya [134]
3 years ago
6

What is another way to find the total cost of a pair of shoes for $ 57 with a sales tax is 2%?

Mathematics
1 answer:
cluponka [151]3 years ago
4 0
57 + 57 × (1/50) = 58.14
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A sphere has a radius of 3.5 centimeters.
Snezhnost [94]
V= \frac{4}{3} \pi r^3= \frac{4}{3} \cdot \pi  \cdot 3.5^3 \approx 57.2 \pi

Answer is <span>57.2π </span>
4 0
3 years ago
Sadie has $1 worth of nickels and dimes. She has twice as many nickels as dimes. Write a system of equations that could be used
zepelin [54]
N + 2d =1
This is the system of equations because it is 2 times more than nickels
6 0
3 years ago
Find the center and radius of x^2+y^2+2x-10y+10=0
kumpel [21]
r^{2} = 16&#10;r=4&#10;(xh)^{2}2+(y-k)2=(x+1)2 +(y-5)2&#10;h=-1,k=5
3 0
3 years ago
Question
meriva

Question:

In a neighbourhood pet show, each of the animals entered is equally likely to win. if there are 7 dogs, 6 cats, 3 birds, and 2 gerbils entered, what is the probability that a bird will win the top prize?

Answer:

Probability that a bird will win the top prize is 0.167

Step-by-step explanation:

Given:

The number of  dogs  = 7

The number of  cats = 6

The number of  birds  = 3

The number of gerbils = 2

To Find:

Probability that a bird will win the top prize = ?

Solution:

Let us first find the total number of  pets .

The Total number of pets = 7 + 6 + 3  + 2 =  18

Now the probability of  a bird will win the top prize is

=> \frac{\text {Number of birds}}{\text{ Total number of pets}}

=>\frac{3}{18}

=> \frac{1}{6}

=>0.167

4 0
3 years ago
What is an equation of the line that passes through the point (-7,-6)(−7,−6) and is parallel to the line x-y=7x−y=7?
kotykmax [81]

Answer:

y = x + 1

Step-by-step explanation:

The gradient of a line can be defined by the equation:

m (gradient) = (y1 – y2 ) ÷ (x1 – x2) ----> "1" and "2" should be in subscript

For (-7,-6) we use x2 and y2 (because this point can be anywhere along a line):

x2 = -7, y2 = -6

Plug these values into the formula above:

m = (y-(-6)) ÷ (x-(-7))

m = (y+6) ÷ (x+7)

At this stage, the equation can't be solved as there are two unknowns. Therefore, the gradient must be found another way. Two lines are parallel if they have the same gradient - in their y=mx+c equations, m will be equal.

x - y=7 is the line alluded to in the question. Rearranging this equation into the line equation format gives:

y = x-7 ---> The gradient (coefficient of x) is 1.

Therefore, the gradient of the other parallel line must also be 1.

This can be substituted into the previous equation to give:

1 = (y+6)÷(x+7)

x+7 = y+6

x+1 = y

Therefore, the answer is y=x+1

5 0
2 years ago
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