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Art [367]
3 years ago
10

Q 1 please anybody help me

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
6 0

7*7*7*7

2401

You just do 7 times 7 times 7 times 7

shtirl [24]3 years ago
4 0

<u>Answer</u>

2,401

<u>Explanation</u>

7⁴ This mean 7 multiplied by itself 4 times

7⁴ = 7 × 7 × 7 × 7

    =  (7 × 7) × (7 × 7)

      = 49 × 49

     = 2,401

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Find the value of in the triangle shown below.<br> 0<br> =<br> 80°<br> 7<br> 7<br> 2<br> 9
DanielleElmas [232]

Answer:

x = 50°

Step-by-step explanation:

180° - 80° = 100°

100° ÷ 2 = 50°

50° + 50° + 80° = 180°

4 0
3 years ago
Read 2 more answers
Brayden tosses a coin 500 times. Of those 500 times, he observes heads a total of 416 times. Calculations show that the probabil
elena-14-01-66 [18.8K]

Answer: The probability of this ocurring by chance is less than 0.01.

The meaning of the significance level is that it tells that there is difference of 1% level when there is no actual difference.

Step-by-step explanation:

Since we have given that

Number of times a coin tossed = 500

Number of times head occurs = 416

So, our Z-score would be

Z_\alpha =\dfrac{416}{500}=0.832

So, At significance level of 0.01, p-value of Z-score is .202704.

and p-value < 0.01, i.e. 0.202704<0.832.

Hence, the probability of this ocurring by chance is less than 0.01.

The meaning of the significance level is that it tells that there is difference of 1% level when there is no actual difference.

7 0
3 years ago
2. Felicia took out a simple interest loan at 12 percent interest for 6 months. Her previous balance is $2,460,
marishachu [46]

Answer:

Answer:

28+66+86=180

180=180

Step-by-step explanation:

Since there is a triangle and the 3 measures from the angles we can find the value of x using the hint given that the sum of the interior angles must be 180°

Write the equation

\begin{gathered}x+(2x+10)+(3x+2)=180\\\end{gathered}

x+(2x+10)+(3x+2)=180

Simplify left side of the equation

\begin{gathered}6x+12=180\\\end{gathered}

6x+12=180

Solve equation for x

\begin{gathered}6x=180-12\\6x=168\\x=28\end{gathered}

6x=180−12

6x=168

x=28

Replace x into the 3 angles and find their respectives values

\begin{gathered}A=x\\A=28\\\\B=2x+10\\B=2*28+10\\B=56+10\\B=66\\\\C=3x+2\\C=84+2\\C=86\end{gathered}

A=x

A=28

B=2x+10

B=2∗28+10

B=56+10

B=66

C=3x+2

C=84+2

C=86

Check if the answers are correct

\begin{gathered}28+66+86=180\\180=180\end{gathered}

28+66+86=180

180=180

PLEASE MARK ME AS BRAINLIEST

6 0
3 years ago
Can someone plz explain how to do this Algebra 1 A=1/2(a+b)h for h
Alex_Xolod [135]
<span>A=1/2(a+b)h for h.

First, you need to get rid of 1/2, so divide both sides by 1/2.
A/(1/2) = (a + b)h

You can simplify the </span>A/(1/2) by multiplying by the reciprocal of 1/2, so 2/1.

2A = (a + b)h

Now divide both sides by (a+b).

2A/(a+b) = h
6 0
3 years ago
How many 3 digit numbers can be formed using the numerals of {3,2,7,9} if repetition is not allowed
Harman [31]
4*3*2*1

24 three-digit numbers can be formed
8 0
3 years ago
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