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Tanzania [10]
3 years ago
12

The average of your first three test grades is 78. what grade must you get on your fourth and final test to make your average 80

?
Mathematics
1 answer:
Alex73 [517]3 years ago
7 0
You need to score 86
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Paul's mom gave him $25.00 on Monday morning to use on lunches. At his school, the school lunch costs $1.50, which he bought
Aleks04 [339]

Answer:

C. $12.60

Step-by-step explanation:

he has $25.00 for the whole week

monday through thursday, or four days, he buys school lunch for $1.50

1.5 x 4 = 6

on friday, he buys 4 slices of pizza for $1.60 per slice

4 x 1.6 = 6.4

Expenses together:

6.4 + 6 = 12.4

Find what he has left:

25-12.4 = 12.6

C. $12.60

6 0
3 years ago
LMNP is rotated 180 degrees clockwise around the origin. What are the coordinates of L?
Alona [7]

\huge\boxed{L^\prime(0, -1)}

To rotate a point around the origin by 180 degrees, multiply both parts of the coordinate point by -1. (This means you go from (x, y) to (-x, -y).)

L(0, 1)

L^\prime(0*(-1), 1*(-1))\\\boxed{L^\prime(0, -1)}

4 0
2 years ago
Find the value of d.
Elena-2011 [213]

I’m pretty sure the answer is 16, I’m very sorry if this is incorrect.

5 0
3 years ago
two trains leaves stations 320miles apart at the same time and travel toward eachother. One train travels at 110 miles per hour
I am Lyosha [343]

x/110 = (320-x)/90

<span> Cross multiply</span>

90x = 35200-110x

200x=35200

X = 35200/200 = 176 (distance traveled by train going 110 mph

176/110 = 1.6 hours = 1 hour and 36 minutes

 

Check: 110*1.6 = 176, 90*1.6 = 144

176+144 = 320

it will take 1.6 hours ( 1 hour 36 minutes) for the trains to meet
4 0
3 years ago
Help me out please!!!!
lapo4ka [179]

Answer:

8/17

Step-by-step explanation:

opposite = hypotenuse

opposite = 8

hypotenuse =17

7 0
3 years ago
Read 2 more answers
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