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lesya [120]
3 years ago
7

How do you solve this?

Mathematics
1 answer:
RSB [31]3 years ago
6 0
So with a triangle like this one, the other two angles are the same measure so just do 180 - 40 = 140 and then 140/2 = 70 so all you have to do is 2x = 70 and x = 35.
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An equation is written to represent the relationship between the temperature in Alaska during a snow storm, y, as it relates to
baherus [9]
The x axis represents time so it can only have positive values.

That means that the quadrant 2 and quadrant 3 are not used.

Given that the temperature (y-axis) can be positive or negative the values are in the quadrants 1 and 4.

Therefore, the answer is Quadrant 1 and 4 only.
3 0
3 years ago
Read 2 more answers
If A=4x²+7x-1 and B= -x²-5x+3, then what is 3/2A-2B?
STALIN [3.7K]

Answer:

D) it the only one that satisfies the relation for both x = 0 and x = 1

Step-by-step explanation:

4 0
3 years ago
If you roll a fair six-sided die and a fair four-sided die, what is the probability that neither die shows a 1?
elena-s [515]
Answer in fraction form: 5/8
Answer in decimal form: 0.625

==============================================

Explanation:

There are 5 sides that aren't labeled "1" out of 6 total. So the probability of not rolling a "1" on the six-sided die is 5/6

Similarly, there are 3 sides that aren't labeled "1" out of 4 sides on the four-sided die. The probability of not rolling a "1" for this die is 3/4

Multiply the fractions
(5/6)*(3/4) = (5*3)/(6*4) = 15/24 = 5/8

The answer in fraction form is 5/8 which converts to 0.625 (use long division or a calculator)

Note: the multiplication of probabilities works because the two events (of rolling each die) are independent
3 0
3 years ago
Which two-way table contains the same information as the Venn
Kitty [74]

Answer:

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5 0
2 years ago
determine the value of m and n for mx^3 +20x^2+ nx-36 when divided by (x+1) gives remainder 0 and when divided by (x-2) gives re
soldi70 [24.7K]

Given:

The given polynomial is

mx^3+20x^2+nx-36

When it divided by (x+1) gives remainder 0 and when divided by (x-2) gives remainder of 45.

To find:

The values of m and n.

Solution:

According to the remainder theorem, if a polynomial P(x) is divided by (x-c), then the remainder is P(c).

Let the given polynomial be P(x).

P(x)=mx^3+20x^2+nx-36

When it divided by (x+1) gives remainder 0. So, P(-1)=0.

P(-1)=m(-1)^3+20(-1)^2+n(-1)-36

0=-m+20-n-36

0=-m-n-16

m+n=-16                   ...(i)

When P(x) is divided by (x-2) gives remainder of 45. So, P(2)=0

m(2)^3+20(2)^2+n(2)-36=45

8m+80+2n-36=45

8m+2n+44=45

8m+2n=45-44

8m+2n=1                  ...(ii)

Multiply 2 on both sides of (i).

2m+2n=-32                   ...(iii)

Subtract (iii) from (ii).

6m=33

m=\dfrac{33}{6}

m=5.5

Putting m=5.5 in (i), we get

5.5+n=-16

n=-16-5.5

n=-21.5

Therefore, the values of m and n are 5.5 and -21.5 respectively.

7 0
3 years ago
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