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kati45 [8]
3 years ago
8

Does anyone know the answer?

Mathematics
1 answer:
scoray [572]3 years ago
6 0

Step-by-step explanation:

Yes sure.

a. New value of painting=60/100×$550=$330

b. New value of vase=70/100×$395=$276.5

c. New value of clock=180/100×$1175=$2115

d. New value of chair=95/100×$745=$707.75

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Use technology to find the​ P-value for the hypothesis test described below.
Yakvenalex [24]

Answer:

The one tailed P-value for the test statistic for df = n-1 = 33-1 = 32 is

P-value=0.1575

Step-by-step explanation:

We are given:

t=1.021

n=33

Claim: \mu>98.6°F

Now we can use the technology like excel to find the P-value. The excel function is given below:

=TDIST(1.021,32,1)=0.1575

Where:

1.021 is the test statistic

32 is the degrees of freedom

1 stands for one tailed alternative hypothesis.

Therefore, the P-value is 0.1575


4 0
3 years ago
If 15x+17*2=227<br><br> what is x
sladkih [1.3K]
X will be 35 but idk the formula
8 0
3 years ago
Which set of side lengths form a right triangle? A. 10 cm, 6 cm, 8 cm B. 14 m, 20 m, 25 m C. 3 ft, 6 ft, 5 ft D. 7 cm, 8 cm, 10
svetlana [45]
The answer would be A because you would use the Pythagorean theorem which is a^2+b^2=c^2. Therefore it would be 36+64=100, which is correct. If you wanted to be sure do it for the rest and none of them will work. Hope this helps!
5 0
3 years ago
Read 2 more answers
Find the value of each variable
4vir4ik [10]

Answer:

x = 10\sqrt{2} , y = 10\sqrt{6}

Step-by-step explanation:

using the sine and cosine ratios in the right triangle and the exact values

cos60° = \frac{1}{2} , sin60° = \frac{\sqrt{3} }{2} , then

cos60° = \frac{adjacent}{hypotenuse} = \frac{x}{20\sqrt{2} } = \frac{1}{2} ( cross- multiply )

2x = 20\sqrt{2} ( divide both sides by 2 )

x = 10\sqrt{2}

and

sin60° = \frac{opposite}{hypotenuse} = \frac{y}{20\sqrt{2} } = \frac{\sqrt{3} }{2} ( cross- multiply )

2y = 20\sqrt{2} × \sqrt{3} = 20\sqrt{6} ( divide both sides by 2 )

y = 10\sqrt{6}

5 0
3 years ago
Find the solution of the system of equations.<br> -7x - 4y = -44<br> 7x - 3y = 16
Y_Kistochka [10]

Answer: 7040/1767

Step-by-step explanation:

6 0
2 years ago
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