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MAVERICK [17]
3 years ago
7

What is the value of b for b2 = 36/64

Mathematics
1 answer:
Nataly_w [17]3 years ago
6 0
Answer is C: 6/8

solve with square roots
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Graph the equation y=-1/4(x-2)(x+6) khan academy
timofeeve [1]

Answer: x=−6,2

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Evaluate the statistics expression:39C1
Aleksandr-060686 [28]
<h3>Answer:  39</h3>

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

Explanation:

You can use the nCr formula shown below

_n C _r = \frac{n!}{r!*(n-r)!}

where n = 39 and r = 1. However, you could also use the identity

_n C _{1} = n

which basically says there are n ways to pick 1 item if you are given a choice of n items. In this specific case, we have 39 items total, and there are 39 ways to pick one item.

4 0
3 years ago
16 POINTS
Marta_Voda [28]
Solve the following system using elimination:
{7 x + 2 y = -19 | (equation 1)
{2 y - x = 21 | (equation 2)

Add 1/7 × (equation 1) to equation 2:
{7 x + 2 y = -19 | (equation 1)
{0 x+(16 y)/7 = 128/7 | (equation 2)

Multiply equation 2 by 7/16:
{7 x + 2 y = -19 | (equation 1)
{0 x+y = 8 | (equation 2)

Subtract 2 × (equation 2) from equation 1:
{7 x+0 y = -35 | (equation 1)
{0 x+y = 8 | (equation 2)

Divide equation 1 by 7:
{x+0 y = -5 | (equation 1)
{0 x+y = 8 | (equation 2)

Collect results:
Answer: {x = -5, y = 8
8 0
3 years ago
Can a triangle be formed with the side lengths of 2.9 in, 4.8 in, and 7.4 in?
ddd [48]

Answer: Yes

Step-by-step explanation: A triangle can be formed because A+B>C

A and B are 2.9 and 4.8

Since those numbers have the least value

I added both and found that A and B are equal to 7.7

7.7>7.4

These sides could form a triangle

6 0
3 years ago
Folders are on sale for $0.15 each. Notebooks are $4.25 each. There are 225 students in 7th grade. What is the total amount it w
Harrizon [31]

Answer:

$1023.75

Step-by-step explanation:

2*.15=.30 + 4.25= 4.55

4.55 * 225 = 1023.75

7 0
3 years ago
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