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Vesna [10]
3 years ago
15

Can somebody explain to me how I should do this ?

Mathematics
2 answers:
Sholpan [36]3 years ago
8 0

Answer:

a. m = 3/2

b. m = -1/4

Step-by-step explanation:

Advocard [28]3 years ago
7 0

Answer:

In the equation of a straight line (when the equation is written as "y = mx + b"), the slope is the number "m" that is multiplied on the x, and "b" is the y-intercept (that is, the point where the line crosses the vertical y-axis). This useful form of the line equation is sensibly named the "slope-intercept form"

Step-by-step explanation:

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HELP PLSSS THIS IS HARD SOMEONE
Oduvanchick [21]

Answer:

scale factor is 3, k=3

Step-by-step explanation:

everything is being multiplied by 3

3 0
3 years ago
20 is 50% of what number? If necessary, round to the nearest tenth.
faust18 [17]

Answer:

40

Step-by-step explanation:

20 divided by 50% is 40

Brainliest?

5 0
2 years ago
Read 2 more answers
What is the value of x? How do you set up to solve?
nlexa [21]

Answer:

3x-22=80+x

3x-x=80+22

2x=102

x=51

Step-by-step explanation:

the exterior angle is (3x-22) and then is equal to sum of 80 and x

and then we get 51

6 0
2 years ago
Read 2 more answers
Please help. Will give brainliest.
evablogger [386]
Alright, so you have the basic formula- good.
You have the A value (400), the interest rate r (7.5% -> .075 in decimal), and the final P value (8500). So, we only need to solve for t.

8500 = (400)(1+.075)^t
/400      /400
21.25 = 1.075^t
logarithms are the inverse of exponents, basically, if you have an example like
y = b^x, then a logarithm inverts it, logy(baseb)=x
Makes sense if you consider a power of ten.
1000 = 10^3
if you put logbase10(1000), you'll get 3.
Anyways, though, to solve the problem make a log with a base of 1.075 in your calculator
log21.25(base 1.075) = t
also, because of rules of change of base (might want to look this up to clarify), you can write this as log(21.25)/log(1.075) = t
Thus, t is 42.26118551.
Rounded to hundredths, t=42.26
6 0
3 years ago
Wil give brainlet ASAP!a A boating company has the following notice at the gate:
irinina [24]

Answer:

Step-by-step explanation:

A. If children are considered people under the age of 18, then the answer would be

13 < a < 18 where the a represents age, where the inequality signs do not have an equals to because those ages are excluded

B. This inequality can be shown on a number line with open circles denoting the endpoints 13 and 18 as they are not included, and a line connecting these two points which represents the ages encompassed by the range

7 0
3 years ago
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