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Valentin [98]
3 years ago
8

Can anyone help me solve this​

Mathematics
1 answer:
Zigmanuir [339]3 years ago
5 0

Answer:

B

Step-by-step explanation:

THIS IS HOW YOU CAN FIND ANY MISSING ANGLE - ALSO SOLVES FOR X IN THIS QUESTION.

So, a traingle is 180 degrees.

A line is also 180 degrees.

We know that the angles that make up the triangle are 46, 90, and a missing angle

We need to find the missing angle to find x

To find the missing angle, we must subtract the known angles by the 180 degrees of the traingle.

So:

180-90

=

90

90-46

=

44

So we know the missing angle is 44 degrees.

Let subtract the missing angle(44 degrees) by the 180 degrees of the line:

180-44

=

136

<u>THIS IS WHAT ANSWERS THE OPTION METHOD THAT GIVES THE ANSWER</u>

So x equals 136. This is the missing angle x.

So, remember, both the line and the traingle are 180 degrees.

They both need to find the missing value, which we know is 44

The rest of both the triangle and line is 136 degrees.

Well, 136 degrees on the triangle is the known 90+46 degrees.

Since this will be the same on the line, we can think of x as:

90+46

This looks like answer 1.

Hope this helps! :)

Read top part so you can understand how to do future problems, and write in comments if you are confused/need more help.

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Equation of perpendicular line:<br><br> Equation of parallel line:
tamaranim1 [39]

1)Parallel means they have to have the same slope. Since our equation is y=2/3x+1, a line parallel to that would be(using out points) -5=2/3(-4)+b.

To find the y-intercept, solve for "b".

b=-7/3

Our equation would then be y=2/3x-7/3

2)Perpendicular lines have opposite-reciprocal slopes. our previous equation was y=2/3x+1, so our new equation would be -5=-3/2(-4)+b. Now lets solve for b.

b=-11

So our perpendicular equation would be y=-3/2x-11

Hope that was helpful. :)

8 0
3 years ago
Identify the number of terms in the expression. Type the answer in the space provided.
wlad13 [49]

Answer:

3

Step-by-step explanation:

The terms are separated by the "-"

5 0
2 years ago
Plese help me answer the questions
svlad2 [7]
Hey! 
For 3, I got A because in Commutative, the C and O can stand for change order. That's what the property means, you can change the order of the variables and number but the answer will stay the same. 
5 0
3 years ago
Read 2 more answers
If one leg of a right triangle is 4/7 and the hypotenuse is 10/6, then the other leg is​
Oksana_A [137]
A right triangle has two legs and a hypotenuse
a = shorter leg
b = longer leg
c = hypotenuse
We know b-a=4, or b = a+4

The Pythagorean theorem states:
a2 + b2 = c2

a2 + (a+4)2 = c2
a2 + (a+4)2 = 80
a2 + a2 + 8a + 16 = 80

Combine terms
2a2 + 8a - 64 = 0

Divide by 2
a2 + 4a - 32 = 0

Factor
(a+8)(a-4) = 0
a = 4, -8

We throw out the -8 solution because we can't have a negative measure.

So a = 4
b = 8
c = √80 = 4√5

The legs are 4 and 8.
7 0
3 years ago
An investor invested a total of $2,800 in two mutual funds. One fund earned 5% profit while the other earned 3% profit. If the i
8_murik_8 [283]

The amount invested in the mutual fund that earned 5% is $ 1000

The amount invested in the mutual fund that earned 3% is $ 1800

<h3><u>Solution:</u></h3>

Given that , An investor invested a total of $2,800 in two mutual funds

Let the amount invested in 1st mutual fund be $n

Then the amount invested in the other mutual fund will be $(2800 - n)

One fund earned 5% profit while the other earned 3% profit

Then, profit earned by 1st fund ⇒ 5% of n  

And profit earned by 2nd fund ⇒ 3% of 2800 – n

Investor's total profit was $104

Now, we know that,

<em>total profit = profit earned on 1st fund + profit earned on 2nd fund </em>

104 = 5% of n + 3% of ((2800 - n)

\frac{5}{100} n+\frac{3}{100}(2800-n)=104

\begin{array}{l}{\frac{5 n+3(2800-n)}{100}=104} \\\\ {5 n+3 \times 2800-3 n=10400} \\\\ {5 n-3 n=10400-8400} \\\\ {2 n=2000} \\\\ {n=1000}\end{array}

So, he invested $ 1000 in 1st fund at 5 % profit

And 2800 – n = 2800 - 1000 = $ 1800 in 2nd fund at 3 % profit

4 0
3 years ago
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