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dmitriy555 [2]
4 years ago
7

ASAP AND FOR BRAINLIEST 20 POINTSSolve for the variable in the following proportion. 5/25=m25

Mathematics
1 answer:
qaws [65]4 years ago
5 0

Answer:

m = 1 /25 √ 5

Step-by-step explanation:

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5x 2 y and 7xy 2 are like terms. true or false
tatyana61 [14]
False,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
8 0
3 years ago
Find the equation of the line which passes through the point (1,2), and is perpendicular to the line with the equation y=−12x+5.
malfutka [58]

12y = x + 23

Step-by-step explanation:

  • y = −12x + 5
  • Perpendicular slopes are opposite reciprocals.  
  • The original slope is −12
  • So the new perpendicular slope is 1/12.
  • We plug the point (1, 2) and the slope m = 1/12 into the slope intercept form of the equation y = mx + b 

y = mx + b

2 = 1/12 * 1 + b

2 = 1/12 + b

b = 23/12

  • When we simplify this, we arrive at 12y = x + 23
7 0
4 years ago
Look at pic 10 pts will mark brainilest
tester [92]

Answer:

1,400

Step-by-step explanation:

Evaluate for x=2

100(2^3+2^2+2)

=1400

PLZ give me brainliest

8 0
3 years ago
:( <br> A=?<br> B=?<br> please help me
Helen [10]

a= 16x+16

b= 40x + 15

Step-by-step explanation:

We know that perimeter of a rectangle is

2(l + b)

So therefore

2(8x + 3 + 5) = a

=  > 16x+ 6 + 10 = a

=  > 16x + 16 = a

Answer= A) that is perimeter is 16x+16

We know that area of a rectangle is l×b

So therefore

(8x + 3) \times 5

= 40x + 15

Answer = b) that is area is 40x + 15

7 0
3 years ago
The probability is 51​% that the sample mean will be between what two​ values, symmetrically distributed around the population​
Alisiya [41]

Answer:

The lower bound is, -z=-0.69 and the upper bound is z=0.69.

Step-by-step explanation:

Let the random variable <em>X</em> follows a normal distribution with mean <em>μ </em>and standard deviation <em>σ</em>.

The the random variable <em>Z, </em>defined as Z=\frac{X-\mu}{\sigma} is standardized random variable also known as a standard normal random variable. The random variable  Z\sim N(0, 1).

The standard normal random variable has a symmetric distribution.

It is provided that P(-z\leq Z\leq z)=0.51.

Determine the upper and lower bound as follows:

P(-z\leq Z\leq z)=0.51\\P(Z\leq z)-P(Z\leq -z)=0.51\\P(Z\leq z)-[1-P(Z\leq z)]=0.51\\2P(Z\leq z)-1=0.51\\2P(Z\leq z)=1.51\\P(Z\leq z)=0.755

Use a standard normal table to determine the value of <em>z.</em>

The value of <em>z</em> such that P (Z ≤ z) = 0.755 is 0.69.

The lower bound is, -z=-0.69 and the upper bound is z=0.69.

5 0
4 years ago
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