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kirill115 [55]
2 years ago
11

I need this asap

Mathematics
2 answers:
statuscvo [17]2 years ago
8 0

Perimeter=8+8+2+2

=20

Anton [14]2 years ago
5 0

Answer:

20

Step-by-step explanation:

The rectangle is 2 x 8.

2 + 2 + 8 + 8 = 20

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Decide whether each table could represent a proportional relationship. If the
Ymorist [56]

Answer:

Step-by-step explanation:

If given tables in the picture show the proportional relationship,

Number of wheels (w) ∝ Number of buses (b)

w ∝ b

w = kb

Here, k = proportionality constant

k = \frac{w}{b}

Number of buses (b)           Number wheels (w)             Wheels per bus (\frac{w}{b})

          5                                           30                               \frac{30}{5}=6              

          8                                           48                               \frac{48}{8}=6

         10                                           60                               \frac{60}{10}=6

         15                                           90                               \frac{90}{15}=6

Here, proportionality constant is 6.

Similarly, If number of wheels (w) ∝ Number of train cars (t)

w = kt

Here, k = proportionality constant

k = \frac{w}{t}

Number of train cars(t)          Number of wheels(w)     Wheels per train car (\frac{w}{t})

              20                                        184                           \frac{184}{20}=9.2

              30                                        264                           \frac{264}{30}=8.8

              40                                        344                           \frac{344}{40}=8.6

              50                                        424                           \frac{424}{50}=8.48

Since, ratio of w and t is not constant, relation between number of wheels and number of train cars is not proportional.

5 0
3 years ago
Binh has to write an 8-page report. If he has written 3/4 of his report so far, how many pages has he written?
Eva8 [605]

Answer:

6 pages

Step-by-step explanation:

3/4 = 8 = 2 = 1/2 = 3/4 / 8 = 6

This is confusing to understand but that's how I solved it.

4 0
3 years ago
What formula is used to find 44% of 8?<br><br>​
-BARSIC- [3]
The formula is 8x.44
6 0
3 years ago
X^2 +18 =15 could anyone help me with this?
stiv31 [10]

Answer:

x = i√3, -i√3

Step-by-step explanation:

Simply take the root of both sides, then solve.

8 0
3 years ago
Read 2 more answers
Evaluateing expressions 9x-c
lyudmila [28]

Answer:

9x−c

= 9x + − c

=−c+9x

Step-by-step explanation:

3 0
3 years ago
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