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3 years ago

10

Ms. O'Conner took a poll of 80 students to find out how they get to school. How many more students get to school on a bus than i

n a car?

1 answer:

il63 [147K]3 years ago

4 0

Answer:

I need the dull question

Step-by-step explanation:

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Write the quadratic equation whose roots are −6 and 2 , and whose leading coefficient is 5 . (use the letter x to represent the

White raven [17]

<span>Here let the quadratic equation be ax^2 + bx + c We know that a=5 from the question. Since the roots are 6 and 2, the quadratic equation would take the form of a product like (a1x-b1)(a2x-b2). However, let's assume that a2=1 and b2=6, Since a=5, a1=5, then 5x-b1=5(x-2). Solving this shows that b1=10 So, the equation is (5x-10)(x-6)</span>

3 0

3 years ago

If the first number is increased by 7 and the second number is reduced by 6 times, the sum of these numbers is 29.

Marta_Voda [28]

Answer:

First number = 20

Second number = 12

Explanation:

Let the 1st number be x

Let the 2nd number be y

=====================

Condition 1

$\sf \rightarrow x + 7 + \dfrac{y}{6} = 29$

$\rightarrow \sf x=-\dfrac{y}{6}+22$

=====================

Condition 2

$\rightarrow \sf 2y - (x - 5) = 9$

$\rightarrow \sf x = 2y -4$

=====================

Substitute equations

$\rightarrow \sf -\dfrac{y}{6}+22 = 2y-4$

$\rightarrow \sf y=12$

=====================

Find value of 1st number

$\rightarrow \sf x = 2y - 4$

$\sf \rightarrow x = 2(12) - 4$

$\rightarrow \sf x = 20$

7 0

2 years ago

What is the value of x???

svetoff [14.1K]

I do believe it would be x=30

3 0

3 years ago

What is 6 7/13 divided by 5

Sladkaya [172]

Answer:

17/13

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Solve using the distributive property: 3 (x + 3) - 2x

ryzh [129]

Udon used hufcimcfinf 8to itfor jvfor

4 0

3 years ago