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natita [175]
2 years ago
10

Please help me 11 point's this is all my points

Mathematics
1 answer:
Helga [31]2 years ago
4 0
......................... 1/2
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Factor 2x^2-4x-30 completely
Elza [17]
2x² - 4x - 30
2(x²) - 2(4x) - 2(15)
2(x² - 4x - 15)
4 0
3 years ago
The soccer team bought new uniforms for $ 649.62. if there are 12 kids on the team, how much did each uniform cost? ( round answ
lianna [129]

Answer:

$54.14 per soccer uniform

Step-by-step explanation:

649.62/12

= 54.135

Round to the nearest penny - $54.14

4 0
3 years ago
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3x + 2y — z + 5w = 20<br> y = 2z – 3w<br> z= w+1<br> 2w =8​
satela [25.4K]

Answer:

this is tricky ngl

5 0
2 years ago
Students from two age groups were surveyed to see how they travel to school. Here are the results:
liq [111]

Answer:

The table representing the number of students by which mode of transport they travel is given as:

                              Walk or bike    Bus       Car     Row Total

Below age 15            87                    60        18           165

Age 15 and above   65                    50        80         195

Column Total            152                  110        98         360

We know that a relative frequency of an event is the ratio of frequency to the total number of trials.

i..e we divide each frequencies by 360 to obtain a two-way relative frequency.

Hence,the table is given as:

                              Walk or bike    Bus       Car     Row Total

Below age 15            0.24               0.17      0.05         0.46

Age 15 and above    0.18                0.14      0.22        0.54

Column Total             0.42               0.31     0.27          1                        

6 0
2 years ago
Read 2 more answers
Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 45? Select three optio The amount of chan
shusha [124]

Answer:

2. The ratio of the percent increase is not the same as the percent decrease.

3. The ratio for the percent increase has a smaller denominator than the percent decrease.

5. The original amount for the percent increase is different from the original amount for the percent decrease.

Step-by-step explanation:

6 0
3 years ago
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