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alex41 [277]
3 years ago
6

Please answer correctly!! You will be reported if you don't!!

Mathematics
2 answers:
algol [13]3 years ago
7 0
We need the question lol i don’t think u uploaded it
serious [3.7K]3 years ago
5 0

Answer:

QUESTION?

Step-by-step explanation:

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23. You get 17 out of 22 questions correct on a math test.
Fantom [35]

Answer:

a) 77.3 %

b) Passed the test

Step-by-step explanation:

a)

\frac{17}{22}  \times 100 = 77.3

b) The percentage is greater than 70% meaning it is a pass

5 0
3 years ago
Could someone help me do this :D
cricket20 [7]

y = side

Perimeter = 8y

6 0
3 years ago
Consumer math. i need help asap
Sonbull [250]

well, they put a downpayment of 40%, that's not subject for a loan, since they put that out of their pocket, the loan will  be the 60% leftover.

\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{40\% of 280000}}{\left( \cfrac{40}{100} \right)280000}\implies 112000\leftarrow downpayment \\\\\\ 280000~~ - ~~112000\implies 168000\leftarrow \textit{mortgage loan}

8 0
3 years ago
8-3(x-y)^2 when x=-5 y=1
pochemuha
PEMDAS
() a^2 x division adding subtracting

8-3(-5-1) ^2
8-3(-6) ^2
8-3(-36)
5(-36)
-180
your answer would be -180
7 0
4 years ago
Bill has some counter in a bag.
andrew11 [14]

9514 1404 393

Answer:

  4

Step-by-step explanation:

The 10 non-yellow counters in the bag represent 5/7 of the total number of counters, c.

  10 = (5/7)c

  10(7/5) = c = 14

There are 14 counters in the bag, of which 14-10 = 4 are yellow.

_____

<em>Alternate solution</em>

Let y represent the number of yellow counters in the bag. The probability of drawing a yellow counter is the number of yellow counters divided by the total number of counters:

  y/(y +3 +7) = 2/7

Multiply both sides of this equation by 7(y+10) to get ...

  7y = 2(y +10)

  7y = 2y +20 . . . . eliminate parentheses

  5y = 20 . . . . . . . . subtract 2y

  y = 20/5 = 4 . . . . divide by the coefficient of y

There are 4 yellow counters in the bag before any are taken.

__

<em>Another alternate solution</em>

If the probability of yellow is 2/7, the ratio of yellow (y) to non-yellow is ...

  yellow : non-yellow = 2 : (7-2) = 2 : 5 = y : (3+7) = y : 10 = 4 : 10

  ⇒ y = 4

There are 4 yellow counters in the bag.

8 0
3 years ago
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