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m_a_m_a [10]
3 years ago
7

PLEASE ANSWER FAST WILL MARK BRAINIEST!!!!!!!!!!!!!!!! please answer ALL to get brainliest!!

Mathematics
2 answers:
natta225 [31]3 years ago
6 0

Answer:

B

Step-by-step explanation:

the question says -12x ≤ -72.the sign ≤ means less than or equal to. so we will divide both sides by -12 to get the value of x. and that wil give us x ≤ 6, the sign did not change because we used a sign common to both sides to divide it. that is slso the reason why we had a positive value.

Luden [163]3 years ago
5 0

Answer:

1. A.

2. C.

3. D.

Step-by-step explanation:

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Decreasing the sample size while holding the confidence level the same will do what to the width of your confidence interval?
Mamont248 [21]

Answer:

Which is the output of the formula =AND(12>6;6>3;3>9)?

A.

TRUE

B.

FALSE

C.

12

D.

9

Step-by-step explanation:

3 0
3 years ago
Determine the intercepts of the line. y-6=4(x+5)
Westkost [7]
To find the x-intercept, substitute in 0 for y and solve for x. To find the y-intercept, substitute in 0 for x and solve for y.

x-intercept: (−13/2,0)(-132,0)

y-intercept: (0,26)

7 0
3 years ago
Read 2 more answers
heather writes the equations below to represent two lines drawn on the coordinate plane. –6x 18y = 0 4x – 12y = 20 after applyin
Tju [1.3M]

The <em><u>correct answer</u></em> is:

The equation has no solution; therefore, the system of equations has no solution.

Explanation:

When solving a system of equations, after we combine the equations, if we find that there is no solution, that means that there is no solution to the entire system of equations.

7 0
3 years ago
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Express the sum of each pair of numbers as a product of greatest common factor of the numbers and another sum
lions [1.4K]
Say the pair of numbers are expressed by a*g and b*g, with g being their greatest common factor, their sum, a*g+b*g = g*(a+b)
5 0
3 years ago
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X^2-6x-4=0,
Rzqust [24]
Use quadratic formula since we can't factor

for 0=ax²+bx+c
x= \frac{-b+/-\sqrt{b^2-4ac}}{2a}

so, for
0=1x²-6x-4
a=1
b=-6
c=-4

x= \frac{-(-6)+/-\sqrt{(-6)^2-4(1)(-4)}}{2(1)}
x= \frac{6+/-\sqrt{36+16}}{2}
x= \frac{6+/-\sqrt{52}}{2}
x= \frac{6+/-2\sqrt{13}}{2}
x= 3+/-\sqrt{13}

the solutions are x=3+√13 and x=3-√13
or aprox
x≈6.61 and x≈-0.61
4 0
3 years ago
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