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Dafna11 [192]
3 years ago
12

Find the zeros of the function f(x)=2x^2-17.5x+35.6f(x)=2x 2 −17.5x+35.6 to the nearest hundredth.

Mathematics
1 answer:
masha68 [24]3 years ago
5 0

Try this option (answers: 5.53 and 3.22)

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Darnell's car used 8 gallons of gasoline to travel 340 miles. After a mechanic worked on the car, it used 7 gallons of gasoline
krek1111 [17]
8*4=32
7*4=28

340÷32=10.625
350÷28=12.5

12.5-10.625= 1.875
3 0
3 years ago
Change 2.6 from decimal to fractions show explanation
noname [10]

Answer:

Step-by-step explanation:

The 2 in 2.6 is in the ones place so we know that it equals 200. The 6 in 2.6 is in the tenths place so we know that it equals 60.  Add 200 with 60 to get 260/10. The denominator is 10 because 2.6 only extends to the tenths place.

8 0
2 years ago
There are 60 students in a class. Among them,20 students are girls .Find the ratio ofa. Boys and total studentsb. girls and tota
valina [46]

Answer:

Girls to boys = 1:2

Girls to students = 1:3

Boys to students = 2:3

Step-by-step explanation:

So, let's subtract the number of girls from the number of students in the class:

60 - 20 = 40

This means that for every 20 girls there are 40 boys in the ratio of girls to boys:

20:40

This can be simplified down by factoring, here we can divide by 20:

(20 ÷ 20) : (40 ÷ 20)

1:2

So the ratio of girls to boys is 1:2

The ratio of boys to students can be calculated via:

40:60

This can be simplified by dividing by 20 again:

(40 ÷ 20) : (60 ÷ 20)

2:3

So the ratio of boys to students is 2:3

The ratio of girls to students can be put in a ratio of:

20 : 60

This can be simplified down by dividing by 20:

(20 ÷ 20) : (60 ÷ 20)

1:3

So the ratio of girls to students is 1:3

Hope this helps!  

4 0
3 years ago
Is the expression 32.3-3 equivalent to 33.3-22 Explain.
Yuliya22 [10]
This is expression is not equal because the left hand and right hand side are different
6 0
2 years ago
Need some help with this question in this picture please
Inessa05 [86]

$20 sold / .50(each flowers) = 40 flowers

She sold 40 flowers for $20

She makes $6 on every $20

$20 - $6 = $14 (she paid $14 for 40 flowers)

Each flower she paid = $14 / 40 = 0.35 (35 cents)

Answer:

She paid 35 cents per flower

6 0
3 years ago
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