3 years ago

The name of the triangle that has a 90 angle

Mathematics

1 answer:

brilliants [131]3 years ago

8 0

Answer:

Right angled triangle or Right Triangle

Step-by-step explanation:

triangle that has a 90 angle is known as RIGHT ANGLED TRIANGLE or RIGHT TRIANGLE

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If Ms. P wants to withdraw $900 from an account earning 4% average annual interest rate at the start of each year for 7 years, h

Ksju [112]

Answer:

Amount he must have in his account today is $5,617.92

Step-by-step explanation:

Data provided in the question:

Regular withdraw amount = $900

Average annual interest rate, i = 4% = 0.04

Time, n = 7 years

Now,

Present Value = $C \times\left[ \frac{1-(1+i)^{-n}}{i} \right] \times(1 + i)$

here,

C = Regular withdraw amount

Thus,

Present Value = $C \times\left[ \frac{1-(1+i)^{-n}}{i} \right] \times(1 + i)$

Present Value = $900 \times\left[ \frac{1-(1+0.04)^{-7}}{ 0.04 } \right] \times(1 + 0.04)$

Present Value = $936 \times\left[ \frac{1 - 1.04^{-7}}{ 0.04} \right]$

Present Value = $936 \times\left[ \frac{1 - 0.759918}{ 0.04} \right]$

Present Value = 936 × 6.00205

Present Value = $5,617.92

Hence,

Amount he must have in his account today is $5,617.92

7 0

3 years ago

2.86 = ? Tenths + 6 hundredths

melamori03 [73]

2.86
= 28 tenths + six hundreths.

(The number directly after the decimal point is an hundreth)
Since there is a 2.0 (twenty tenths), the answer is:

20+8 = 28 tenths.

8 0

3 years ago

Which of the following represents "10 less than n"? 10 - n n - 10 -10n

Ivan

N-10 because you want to take 10 away from n

5 0

3 years ago

A machine needs 2 of its gears replaced. You find 2 gears, one manufactured 5 years ago and the other manufactured 10 years ago.

andrey2020 [161]

These are independent events so
P(A and B) = P(A) * P(B)

Therefore
P(Both gears fail) = 0.05 * 0.08 = 0.004 or 0.4%

3 0

3 years ago

Find all the powers of 4 in the range 4 through 1,000.

alina1380 [7]

4 to the 1st is 4
4 to the 2nd is 16
4 to the 3rd is 64
4 to the 4th is 256

hope that helps

6 0

3 years ago