PLS_HELP

Mathematics

1 answer:

Sindrei [870]4 years ago

4 0

Answer: x = 3.4

Step-by-step explanation: took the test and got it right. if you need help on this kind of work u can use things like (graphing gens) or math to help you more.

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If Sam invested $3,000 and he earned $300 over six months, the principal is _____.

Ann [662]

A principal is the amount of money you invested or deposited, so in this case, the principal is $3,000,
(and the net amount of money you earn is the interest, that is $300 in this one.)

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3 years ago

HELP I'LL GIVE BRAINLIEST

Olin [163]

Answer:

196 miles

Step-by-step explanation:

A bus drives for hours at an average speed pf 56 mph. To Find: How far does the bus drive? It means distance travel by bus is 196 miles.

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3 years ago

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A class of 30 students took midterm science exams. 20 students passed the chemistry exam, 14 students passed physics, and 6 stud

Yuri [45]

The Venn diagram should contain two circles or any form of shape. They must intersect each other the with the left side as the chemistry subject and the right side must be physics subject or vice versa. In the intersection of both shape it must be the value of the students who passed both physics and chemistry.

7 0

3 years ago

Can you solve this linear equations x+y=-2, 2x-y=5 they are one problem

Flauer [41]

One way is ellimination metahto where we add
add them together
x+y=-2
<u>2x-y=5 +
</u>3x+0y=3
3x=3
divide by 3
x=1
subsitute
x+y=-2
1+y=-2
subtract 1
y=-3

answer
x=1
y=-3
answer is in form (x,y) and is (1,-3)
<u />

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3 years ago

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You have a mean score of 84 after taking five 100-point tests. What do you need to score on the sixth 100-point test to have a m

kap26 [50]

The mean of n numbers is the sum of the numbers divided by n.

You have a mean score of 84 after taking 5 tests. Let x be the sum of scores.
$\frac{x}{5}=84 \\
x=84 \times 5 \\
x=420$
You scored a total of 420 points on five tests.

You need to have a mean score of 85 after taking 6 tests. Let y be the score you need to obtain. Your total score on 6 tests is 420+y.
$\frac{420+y}{6}=85 \\
420+y=85 \times 6 \\
420+y=510 \\
y=510-420 \\
y=90$

You need to score 90 points on the sixth test.

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3 years ago

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