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Marat540 [252]
3 years ago
15

I need help with this, asap!!!

Mathematics
2 answers:
DanielleElmas [232]3 years ago
7 0

Answer: D

Step-by-step explanation:

The 45°-45°-90° right triangle is also sometimes referred as an isosceles right triangle because it has two equal side lengths and two equal angles.

If my answer was helpful then please mark me brainliest.

Leni [432]3 years ago
4 0
The answer to this is d!
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Sylvester plans to rent a car to tour the West Coast. The cost of the rental is $53 per day. The cost of the deposit is $99 for
Luda [366]

Answer:

C = 53D + 99

Step-by-step explanation:

The cost (C) is equal to $53 per day (53 multiplied by the number of days, D) plus the fixed deposit (+ 99)

Expressed as a linear equation below

C = 53D + 99

4 0
3 years ago
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3 kg of rump steak costs £42 Adel buys 4 kg of rump steak Work out how much Adel Pays
OLEGan [10]

Answer:

£56

Step-by-step explanation:

you first have to find out how much one kg is so you do 42/3=14

then times is by 4, 14x4=56

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3 years ago
Write the equation of a line that is perpendicular to y = -0.30 + 6 and that passes through the point
AfilCa [17]

Answer:

Step-by-step explanation:

perp. 10/3

y + 8 = 10/3(x - 3)

y + 8 = 10/3x - 10

y = 10/3x - 18

4 0
3 years ago
Mary invested $5000 in the bank. How much money does she have at the end of 15 years if the interest rate is 4.5% per annum ? A
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Answer:

350000

Step-by-step explanation:

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3 0
2 years ago
Criterion: Identify IV, DV, and hypotheses and evaluate the null hypothesis for an independent samples t test. Data: Use the inf
Papessa [141]

The table is missing in the question. The table is provided here :

Group 1        Group 2

 34.86            64.14      mean

 21.99            20.46      standard deviation

  7                    7                n

Solution :

a). The IV or independent variable = Group 1

    The DV or the dependent variable = Group 2

b).

  $H_0: \mu_1 = \mu_2$

  $H_a:\mu_1 < \mu_2$

  Therefore,   $t = \frac{\bar x_1 - \bar x_2}{\sqrt{\frac{s_1^2}{n_1}+\frac{S_2^2}{n_2}}}$

$t = \frac{34.86 - 64.14}{\sqrt{\frac{21.99^2}{7}+\frac{20.46^2}{7}}}$

t = -2.579143

Now,   $df = min(n_1 - 1, n_2 - 1)$

           df = 7 - 1

               = 6

Therefore the value of p :

  $=T.DIST(-2.579143,6,TRUE)$

 = 0.020908803

The p value is 0.0209

$p< 0.05$

So we reject the null hypothesis and conclude that $\mu_1 < \mu_2$

7 0
3 years ago
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