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d1i1m1o1n [39]
3 years ago
9

I need help with this 2

Mathematics
1 answer:
Inessa [10]3 years ago
4 0

Answer:

Ned lost 16 points total.

Step-by-step explanation:

If Ned got 6 questions wrong, and each one cost him four points, that would be 24 points total. 6x4=24. But since Ned got 8 additional points on a bonus question. It equals out to a total los of 18 points.

-24 + 8= -16

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The legs of a right triangle measure 5 inches and 7 units . If theta is the angle between the 5-inch leg and hypotenuse, sin the
Katarina [22]
<span>The Pythagorean Theorem

a</span>^2+b^2=c<span>^2
a=5
b=7
5</span>^2+7^2=c<span>^2
25+49=c</span>^2--------------------c=(74)<span>^0.5=8.60 inches

</span><span>Since sin = opposite/hypotenuse
</span><span>sin theta=5/8.60
</span>sin theta=0.5814
4 0
3 years ago
Read 2 more answers
Evaluate 8 ÷ -2 · 42 + 9.
balu736 [363]

Answer:

-159

Step-by-step explanation:

Step  1  :

                  4

Simplify   ——

                  -1

Equation at the end of step  1  :

 (-4 • 42) +  9

Step  2  :

Final result :

 -159

Processing ends successfully

plz mark me as brainliest :)

5 0
3 years ago
Sean pays £10 for 24 chocolate bars. He sells all 24 chocolate bars for 50p each.
VladimirAG [237]

Answer:

the percentage profit is 20%

Step-by-step explanation:

Given that

Sean paid  £10 for 24 chocolate bars

He sold all 24 chocolate bars for 50p each

we need to find out the percentage profit

Since he paid  £10 and sale value is (24 × 0.50) i.e. £12

So, the percentage profit is

= (£12 - £10) ÷ (£10)

= 20%

Hence, the percentage profit is 20%

4 0
3 years ago
Find x=___°<br>please help ​
sweet-ann [11.9K]
X=48 degrees
You find the missing degrees in the top triangle. Then you take that degrees and put it in the blank spot right across from the top triangle. To find x you take 180-33=147. The missing degrees was 99 so you take 147-99 and you get 48. You use 180 because that’s the degrees of a whole triangle.
3 0
3 years ago
Write an equation parallel to y=-5/2x+9 that passes through the point (-4,-1) brainly
Shalnov [3]
Y= -5/2x - 3
because if parallel slope need to be the same and then it’s
-1 = -5/2(-4)+ b
-1 = 2 + b
b = -3
Then rewrite equation as y= -5/2x -3
7 0
2 years ago
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