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Nadusha1986 [10]
4 years ago
7

Helppp! Get my smart score to 100 please :(

Mathematics
1 answer:
VladimirAG [237]4 years ago
5 0

Answer: 4c=32

Step-by-step explanation:

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(3-x)(x-5)<br> Hurry PLZ
marshall27 [118]

Answer:

-3x^2 + 15x

Step-by-step explanation:

(3 - x) (x - 5)

=> (3x - 15) ( -x)

=> -3x^2 + 15x

3 0
3 years ago
How to solve this ? (2√2 *√(3+x) )^2
lianna [129]
( 2\sqrt{2}) ^{2} *  (\sqrt{3 + x} )^{2} = 8 * (3+x) = 24 + 8x
5 0
4 years ago
Read 2 more answers
The correct equation that goes through the point (3, 4) and is parallel to the line y=2x+1
abruzzese [7]

Answer: y = 2x -2

Step-by-step explanation: parallel is same slope diff y intercept

y = 2x

4 = 2(3) + x

4 = 6 + x

x = -2

6 0
3 years ago
(ab² + 13b - 4a) + (3ab² + a +7b)
Natalija [7]

Answer:

4ab² + 20b - 3a

Step-by-step explanation:

This question most likely asks us to simplify the expression, as factoring is not possible...

(ab² + 13b - 4a) + (3ab² + a + 7b),

ab² + 13b - 4a + 3ab² + a + 7b,

ab² + 3ab² + 13b + 7b - 4a + a,

Solution : 4ab² + 20b - 3a

4 0
3 years ago
a researcher at a major clinic wishes to estimate the proportion of the adult population of the united states that has sleep dep
Anna11 [10]

Answer:

The estimate of a population proportion is approximately 541.

Step-by-step explanation:

We can solve the the problem by using the formula for minimum sample needed for interval estimate of a population proportion which is given by the formula

n = pq ((Z/2) / E)^2

As, p is not defined so we use the standard p and q which is 0.5 and 0.5.

The reason for this is we have to choose form 0.1 to 0.9 both values of p and q, we will find the maximum value of pq occurs when they both are 0.5.

Next, we will find the value of (Z/2) by looking at the Z-table, we will find that at 98% confidence (Z/2) = 2.326. Now we start substituting the values in the above formula

n = (0.5)×(0.5) × (2.326/0.05)^2

n = 541.027

n ≅ 541.

5 0
4 years ago
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