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aleksandr82 [10.1K]
3 years ago
13

Please help need an answer really fast

Mathematics
1 answer:
dimulka [17.4K]3 years ago
8 0
It would be 1 and 6/7
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9 Questions/45 points
Finger [1]
You have a lot of questions here, try breaking them up into multiple posts and you may get more responses.

I will help with some.

<span>(x+3)=0

The solution is just -3.
-----------------------------------------------------------------
3m(m-4)=0

The two solutions are 0 and 4.
-----------------------------------------------------------------
(r-3)(r+2)=0

The two solutions are and 3 and -2.
</span>
I hope this gets you started in the right direction.


3 0
3 years ago
Translate the sentence into an inequality.
blagie [28]

Let the no be x

Inequality given by

\\ \sf\longmapsto 2(x-4)\leqslant -18

Let's solve

\\ \sf\longmapsto x-4\leqslant -9

\\ \sf\longmapsto x\leqslant -5

3 0
2 years ago
Read 2 more answers
Consider the following system of equations:
monitta

Answer:

Step-by-step explanation:

8 0
2 years ago
The mean score on a set of 17 test is 72. Suppose two more students take the test and score 68 and 63. What is the new mean?
Masja [62]

Answer:

New mean=71.32

Step-by-step explanation:

The expression for the total initial score is;

T=M×S

where;

T=total initial score

M=mean score

S=number in the set

replacing;

T=unknown

M=72

S=17

replacing;

T=72×17=1,224

The total initial score=1,224

Determine the total score by;

total score=total initial score+total final score

where;

total initial score=1,224

total final score=(68+63)=131

replacing;

total score=1,224+131=1,355

Determine the new mean;

New mean=total score/new number

where;

total score=1,355

new number=(17+2)=19

replacing;

new mean=1,355/19=71.32

8 0
3 years ago
Esmerelda simplified a complex fraction. Her work is shown below.
grandymaker [24]

Answer:

Answer:

A. Esmeralda converted the mixed number to the wrong improper fraction.

D. Esmeralda did not divide –24 by 6 correctly.

E.  Esmeralda did not use the reciprocal of the divisor.

6 0
3 years ago
Read 2 more answers
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