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soldi70 [24.7K]
3 years ago
13

What is the difference between 5 times a number and 10 is 0

Mathematics
2 answers:
ziro4ka [17]3 years ago
4 0
" the difference " means subtract

The difference between 5 times a number and 10 is 0...

5x - 10 = 0 <== ur equation
5x = 10
x = 10/5
x = 2 <== ur number
11111nata11111 [884]3 years ago
3 0
Difference means subtraction and a number means a variable so
5x-10=0 5 times a number is 5x and difference is subtraction to 10 so 5x-10 and the word is means equals.

5x-10=0
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1-z/z-7 - 8z-3/7-z subtract
maxonik [38]
The answer to your question above would be: 7z-2/z-7

3 0
3 years ago
You plan to conduct a survey to find what proportion of the workforce has two or more jobs. You decide on the 95% confidence lev
Vikentia [17]

Answer:

865

Step-by-step explanation:

We have that in 95% confidence level the value of z has a value of 1.96. This can be confirmed in the attached image of the normal distribution.

Now we have the following formula:

n = [z / E] ^ 2 * (p * q)

where n is the sample size, which is what we want to calculate, "E" is the error that is 2% or 0.02. "p" is the probability they give us, 5 out of 50, is the same as 1 out of 10, that is 0.1. "q" is the complement of p, that is, 1 - 0.1 = 0.9, that is, the value of q is 0.9.

Replacing these values we are left with:

n = [1.96 / 0.02] ^ 2 * [(0.1) * (0.9)]

n = 864.36

865 by rounding to the largest number.

3 0
3 years ago
6. Two points in the plane, ????(19,4) and ????(19,−6), represent the endpoints of the diameter of a circle.
dusya [7]

Answer:

Radius = 5

center is (19,-1)

(x-19)^2(y+1)^2= 25

Step-by-step explanation:

Two points in the plane, (19,4) and  (19,−6), represent the endpoints of the diameter of a circle.

Distance between the points is calculated using formula

d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}

=\sqrt{\left(19-19\right)^2+\left(-6-4\right)^2}=10

diameter = 10

radius = diameter divide by 2

Radius = 5

midpoint is the center of the circle

\left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right)

\left(\frac{19+19}{2},\:\frac{-6+4}{2}\right)

(19,-1)

Equation of the circle

(x-h)^2(y-k)^2= r^2

h,k is the center and r is the radius

h=19 and k=-1 , r=5

(x-19)^2(y+1)^2= 25

8 0
2 years ago
Please help! Graph the line for y+1=−3/5(x−4) on the coordinate plane. I just need help with the coordinates. 
otez555 [7]

Answer:

SLOPE: - 3/5

Y-INTERCEPT: 7/5


Step-by-step explanation: Check picture :)


5 0
3 years ago
Pls help I need dis for a good grade
love history [14]

111) 5:4

112) 3.6

113) -4

114) 0.3 units down, 0.4 units to the left

5 0
3 years ago
Read 2 more answers
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