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harina [27]
3 years ago
14

|-5| – 45 ÷ 3 Explain how to solve

Mathematics
1 answer:
Alinara [238K]3 years ago
8 0
Order of operations.
Parentheses: there are none
Exponents: also none
Multiplication: also none
Division: yep. 45 / 3 = 15
Addition: none
Subtraction: Yes

The absolute value of -5 is 5. (Absolute values are always positive or 0)
5-15= -10
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Find the height using the pythagorean theorem <br>​
Snezhnost [94]

Answer:

3

Step-by-step explanation:

4 0
3 years ago
F(x)=2x-3 g(x)=x^2+1 find g(2)
Hitman42 [59]

Answer:

g(2)=5

Step-by-step explanation:

since g(x) is equal to x^2+1, you just plug in the value of 2 for x, to get 2^2+1, and 2 to the power of 2 (also known as 2 squared) is equal to 4, which makes your equation 4+1, which equals 5.

3 0
3 years ago
Use the t-distribution and the sample results to complete the test of the hypotheses. Use a significance level. Assume the resul
Ksenya-84 [330]

Answer:

Test statistic = 1.3471

P-value = 0.1993

Accept the null hypothesis.

Step-by-step explanation:

We are given the following in the question:  

Population mean, μ = 4

Sample mean, \bar{x} = 4.8

Sample size, n = 15

Alpha, α = 0.05

Sample standard deviation, s = 2.3

First, we design the null and the alternate hypothesis

H_{0}: \mu = 4\\H_A: \mu \neq 4

We use two-tailed t test to perform this hypothesis.

Formula:

t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} }

Putting all the values, we have

t_{stat} = \displaystyle\frac{4.8 - 4}{\frac{2.3}{\sqrt{15}} } = 1.3471

Now, we calculate the p-value.

P-value = 0.1993

Since the p-value is greater than the significance level, we fail to reject the null hypothesis and accept it.

3 0
3 years ago
-1/5(x-4) = -2<br><br> What is the solution
Viefleur [7K]

\frac{ - 1}{5} (x - 4) =  - 2
ANSWER
x = 14
4 0
3 years ago
Karl invests $35,000 for 8 years in an account paying 7% compounded daily. Find
ivolga24 [154]

Answer:

principal (p)=$35000

time(t)=8years

rate ( r)=7%

Step-by-step explanation:

  • compounded amount(c.a)=p((1+r/100)^t )=$35000((1+7/100)^8)=$60136.5
  • compound interest gain=$60136.5-$35000=$25136.5
  • Karl gain interest in 1 year=$35000((1+7/100)-1)=$2450
  • gain % in 1 year=$2450/$25136.5×100%=9.74%
7 0
3 years ago
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