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stellarik [79]
3 years ago
9

Hi! i need help (It is due in a few hours)

Mathematics
2 answers:
Crazy boy [7]3 years ago
8 0

Answer:

1a and 2a

Step-by-step explanation:

<em>In the first one, </em>you should write an expression to help you picture what is happening. Since a test score is 4 times a quiz score which is x, a test score will be 4x. And since there are also 2 quizzes we should do 2x or just x + x. We then add the test score points and the quiz score points.

Here is the first way:

4x + 2x = 6x

Here is the second way:

4x + x + x = 6x

6x is your answer!

<em>In the second one, </em>you should also write an expression. Since a novel costs 6 more than a textbook which is represented by x, we will represent it the cost of a novel like this: x + 6. And since there is also one textbook we will just mark that as x. Now all we need to do is add them up/

This is what it will look like:

x + 6 + x = 2x + 6

2x + 6 is your answer!

I hope this helped! Please give Brainliest.

wel3 years ago
7 0

Answer:

A and A is the answer. so this is the answer

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Can a triangle have angle measures as 140,43, and 7
Mariulka [41]

The angles in a triangle always add up to exactly 180 degrees.  To see if this can be a triangle, add up the given angle measures.  If the sum is not 180, then it cannot be a triangle.

140+43+7=190

A triangle CANNOT have the angles measures as 140, 43, and 7.

Hope this helps!!

3 0
3 years ago
What is the formula to calculate the slope?
goldenfox [79]

Answer:

idk theother formulas besides the first so here I will just answer what ik to attempt to help

Step-by-step explanation:

rise over run

rise/run

7 0
3 years ago
Read 2 more answers
Is compound interest always greater than simple interest ?Give examples
g100num [7]
Yes compund interest is always greater than simple interest 

simple interest = principal

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3 0
3 years ago
Write the equation of the line that is per to x = -3 and passes through the point (4,-7)
Anon25 [30]

Answer:

y=-1/3x-17/3

Step-by-step explanation:

I assume you mean <em>perpendicular</em><em> </em>to x=-3.

In that case, we would flip and take the negative. A perpendicular slope would be x=-1/3

Now we plug the point (4,-7) into the equation

y=mx+b

y=-1/3x+b

-7=-1/3*4+b

-7=-4/3+b

b= -17/3

The whole equation would be:

y=-1/3x-17/3

<em>I hope this helps! :)</em>

8 0
2 years ago
What is the equation in standard form of the line that passes through the point (1, 24) and has a slope of -0.6.
lana [24]

Answer:

0.6x+y=24.6

Step-by-step explanation:

y-y1=m(x-x1)

y-24=-0.6(x-1)

y=-0.6x+0.6+24

y=-0.6x+24.6

y-(-0.6x)=24.6

y+0.6x=24.6

0.6x+y=24.6

6 0
3 years ago
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