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Gelneren [198K]
2 years ago
13

Is (7,26) a solution

Mathematics
1 answer:
soldi70 [24.7K]2 years ago
5 0

Answer:

there isnt no picture or explanation to see if it is

Step-by-step explanation:

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2 times 2 and three forths
Mrrafil [7]
2 *       2 and 3/4.

2 and 3/4 =   (4*2 + 3) / 4 = (8 + 3) / 4 =   11 / 4

2 * 11/4 =   22 / 4 =   5 and 2/4

= 5 and 2/4  or   5 and 1/2 or   5.5

Hope this helps.
6 0
3 years ago
Sasha is outside of a building. She sees Thomas on the 4th floor at an angle of elevation (from ground level) of 48°. She then s
blagie [28]

Answer: The distance from Thomas to Sebastian is 58.39 feet

Step-by-step explanation: Please see the attachments below

6 0
3 years ago
An investigator wants to estimate caffeine consumption in high school students. how many students would be required to estimate
astraxan [27]

We can solve this problem by referring to the standard probability distribution tables for z.

We are required to find for the number of samples given the proportion (P = 5% = 0.05) and confidence level of 95%. This would give a value of z equivalent to:

z = 1.96

Since the problem states that it should be within the true proportion then p = 0.5

Now we can find for the sample size using the formula:

n = (z^2) p q /E^2

where,

<span> p = 0.5</span>

q = 1 – p = 0.5

E = estimate of 5% = 0.05

Substituting:

n = (1.96^2) 0.5 * 0.5 / 0.05^2

n = 384.16

<span>Around 385students are required.</span>

6 0
2 years ago
Simplify<br><br> a+a+a=<br> 4b-b<br> 3x2+x2
Reika [66]
<h2>Good morning,</h2>

<em><u>__________________</u></em>

<em><u>Answer</u></em>:

a+a+a = 3a.

4b-b = 3b.

3x²+x² = 4x².

<u><em>explanation</em></u>

a+a+a = 3a.

4b-b = b(4 - 1) = b × 3 = 3b.

3x²+x² = x²(3 + 1) = x² × 4 = 4x².

_______________________________

:)

7 0
3 years ago
Y intercept of 3x+5y=-30
ELEN [110]
Substitute x=0
5y=-30
y=-6 is the y intercept
4 0
2 years ago
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