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Aneli [31]
4 years ago
9

The 9th term of an arithmetic sequence is 29 and the 27th term is 83 find a and d

Mathematics
1 answer:
bixtya [17]4 years ago
4 0

Answer:

Hope you understand

a=5 and d=3

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Which expression is equivalent to (2 Superscript one-half Baseline times 2 Superscript three-fourths Baseline) squared?
Kruka [31]

Answer: \sqrt{32}

Step-by-step explanation:

Assuming the described expression is:

(2^{\frac{1}{2}} 2^{\frac{3}{4}})^{2}

Since we have the same base, we can add the exponents:

(2^{\frac{5}{4}})^{2}

Multiplying the exponents:

2^{\frac{10}{4}}

Simplifying the fraction in the exponent:

2^{\frac{5}{2}}=\sqrt{2^{5}}

Finally the expression is equivalent to:

\sqrt{32}

4 0
4 years ago
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Which equation is equivalent to 5p - 4 = 3p + 6?
saw5 [17]

Answer:

8p

Step-by-step explanation:

5p-4=3p+6

-3p from 5p

2p-4=6

+4 at 4 to the 6

2p=10

divide 2p=10

8p

this should be right but not 100% thanks for the points

7 0
3 years ago
A sports announcer states that there are 65,000 fans in the stadium. Estimate the maximum noise level. Is this estimate reasonab
SIZIF [17.4K]

Question:

The scatter plot shows the maximum noise level when different numbers of people are in a stadium. The linear model is given by the equation y=1.5x + 22.7 where y represents maximum noise level and x represents the number of people, in thousands, in the stadium.​​​​​​

A sports announcer states that there are 65,000 fans in the stadium. Estimate the maximum noise level. Is this estimate reasonable? Explain your reasoning.

Answer:

y  = 97522.7

Step-by-step explanation:

Given

y = 1.5x + 22.7

x = 65000

Required

Find y

Substitute 65000 for x in the given equation

y  = 1.5 * 65000 + 22.7

y  = 97500 + 22.7

y  = 97522.7

<em>It is reasonable because as the population increases, the noise level also increases</em>

8 0
3 years ago
A boat travels 160 miles in five hours (with a constant speed). How much Time will it take traveling 248 miles
sveticcg [70]
Use cross multiplication:

160 248
—— = ——-
5 x


160x= 248(5)
160x= 1240
x = 7.75

It will take 7 h and 45 minutes to travel 248 miles!
8 0
4 years ago
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Joe went to the hobby shop and bought 2 model sports cars at $8.95 each and some paints. If he spent a total of $23.65, what was
Nostrana [21]
We have 2 cars at $8.85 each. So we have 8.85 * 2 = $17.70

If we know he spent 23.65, we can do 23.65 - 17.70 = 5.95

So the paint must have cost $5.95.
3 0
3 years ago
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