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3 years ago

50 points and brainliest for whoever gives the best and clearest answer !

Mathematics

2 answers:

lidiya [134]3 years ago

6 0

I believe the answer is 33 3 to the fourth power subtract it from (24x2)

ser-zykov [4K]3 years ago

5 0

Answer:

i tryed

(4^{4} -2) x 1 ÷ 2+20

3^{4} - (2^{4} x 2

Equation at the end of step 1 :

(x1)

((((44)-2)•————)+(2034))-(24•x2)

Step 2 :

2.1 203 = 7•29

(203)4 = (7•29)4 = 74 • 294

Equation at the end of step 2 :

(x1)

((((44)-2)•————)+(74•294))-24x2

Step 3 :

Simplify —

Equation at the end of step 3 :

((((44) - 2) • —) + (74•294)) - 24x2

Step 4 :

4.1 4 = 22

(4)4 = (22)4 = 28

Equation at the end of step 4 :

(((28 - 2) • —) + (74•294)) - 24x2

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The base of a triangular prism is an isosceles right triangle with a hypotenuse of

Setler [38]

SA= Lateral Area + Area (of base)

Lateral area = perimeter of base x height

An isosceles triangle has two congruent base segments. The hypotenuse of an isosceles right triangle is (length of base segment) x (the square root of 2). I did the math for you (shown above) to get 5 as a base.

So 5 + 5 + square root of 50 is your perimeter

Multiply the perimeter times your height (8) and you get the lateral area.

Add your lateral area to the base area (triangle = 1/2 bh)

LA = 136.568...
Area of Triangle base = 12.5

Surface area = 149.068... square cm

6 0

3 years ago

Read 2 more answers

An appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W. From pre

melamori03 [73]

Answer:

We conclude that a compact microwave oven consumes a mean of more than 250 W.

Step-by-step explanation:

We are given that an appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W with a population standard deviation of 15 W.

They take a sample of 20 microwave ovens and find that they consume a mean of 257.3 W.

Let $\mu$ = mean power consumption for microwave ovens.

So, Null Hypothesis, $H_0$ : $\mu$ $\leq$ 250 W {means that a compact microwave oven consumes a mean of no more than 250 W}

Alternate Hypothesis, $H_A$ : $\mu$ > 250 W {means that a compact microwave oven consumes a mean of more than 250 W}

The test statistics that would be used here One-sample z test statistics as we know about the population standard deviation;

T.S. = $\frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }$ ~ N(0,1)

where, $\bar X$ = sample mean power consumption for ovens = 257.3 W

σ = population standard deviation = 15 W

n = sample of microwave ovens = 20

So, the test statistics = $\frac{257.3-250}{\frac{15}{\sqrt{20} } }$

= 2.176

The value of z test statistics is 2.176.

Now, at 0.05 significance level the z table gives critical value of 1.645 for right-tailed test.

Since our test statistic is more than the critical value of t as 2.176 > 1.645, so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region due to which we reject our null hypothesis.

Therefore, we conclude that a compact microwave oven consumes a mean of more than 250 W.

7 0

3 years ago

HELP NOW!! I’m desperate. I’ll give extra points and brainliest. I’m so lost. *loud crying*

iragen [17]

Square the top and the bottom. To get 7/11.

8 0

3 years ago

A boat is located a sea level. A scuba diver is 80 feet along the surface of the water from the boat and 30 feet below thw water

Sauron [17]

Given :

A boat is located a sea level. A scuba diver is 80 feet along the surface of the water from the boat and 30 feet below the water surface.