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3 years ago

9

the base of a triangle prism has an area of 35m. this triangular prism has a height of 7m. what us the volume of this triangular

prism

1 answer:

Trava [24]3 years ago

5 0

Answer:

ion even know

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Dave has a three-year college loan for $10,000. The lender charges a simple interest rate of 6 percent. How much interest will h

PSYCHO15rus [73]

I= 10000*3*0.06 I=1800

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3 years ago

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Solve this quadratic equation using the quadratic formula. 2x 2 - 10x + 7 = 0

madam [21]

Answer:

$x_1=4.158$

$x_2=0.8416$

Step-by-step explanation:

For an equation of the form $ax^2 +bx +c$

The quadratic formula is

$\frac{-b\±\sqrt{b^2 -4ac}}{2a}$

In this case the equation is:

$2x^2 - 10x + 7 = 0$

Then

$a= 2\\b= -10\\c= 7$

Therefore, using the quadratic formula we have:

$x=\frac{-(-10)\±\sqrt{(-10)^2 -4(2(7)}}{2(2)}$

$x=\frac{5\±\sqrt{11}}{2}$

$x_1=4.158$

$x_2=0.8416$

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3 years ago

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Samuel has 25 coins in his collection which is 4 more

konstantin123 [22]

Answer:

7

Step-by-step explanation:

7×3=21 (three times the amount)

21+4= 25 (4 more)

25 is the amount of coins that Samuel has. This means that Elizabeth must have 7 coins. This fits the information given.

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3 years ago

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M(9, 8) is the midpoint of mc005-1.jpg The coordinates of S are (10, 10). What are the coordinates of R? a (8, 6) b (9.5, 9) c (

trasher [3.6K]

Let point R be (x₁, y₁) and Point S(10, 10) be (x₂, y₂)

Midpoint is given by $( \frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})$

We know that the midpoint is (9, 8)
We will use this to evaluate the value of (x₁, y₁)

$\frac{x_1+x_2}{2}=9$
$\frac{x_1+10}{2}=9$
$x_1+10=18$
$x_1=8$

$\frac{y_1+y_2}{2}=8$
$\frac{y_1+10}{2}=8$
$y_1+10=16$
$y_1=6$

Point R (x₁, y₁) = (8, 6)

Correct answer: A

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4 years ago

An investment website can tell what devices are used to access the site. The site managers wonder whether they should enhance th

hram777 [196]

Answer:

The shape of the sampling distribution for the sample proportion is going to be normal with mean $\mu = 0.42$ and $\sigma = \sqrt{\frac{0.42*0.58}{300}} = 0.0285$ .

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean $\mu$ and standard deviation $\sigma$ , a large sample size can be approximated to a normal distribution with mean $\mu$ and standard deviation $\frac{\sigma}{\sqrt{n}}$

So the shape of the sampling distribution for the sample proportion is going to be normal with mean $\mu = 0.42$ and $\sigma = \sqrt{\frac{0.42*0.58}{300}} = 0.0285$ .

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3 years ago