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3 years ago

I NEEEEED HELP NOW PLEASE

Mathematics

2 answers:

alexandr1967 [171]3 years ago

4 0

Answer:

C. would be the correct answer

Step-by-step explanation:

bagirrra123 [75]3 years ago

3 0

You can test whether a relation is a function by using the vertical line test. If it passes through the vertical line twice, it isn’t a function. In this case, we can see that graphs A, B, and C all do not pass the vertical line test. The correct answer is D.

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What is the solution to x/3 = -12

Mademuasel [1]

Answer:

x = -36

Step-by-step explanation:

Just multiply both sides of the equation with 3...,which tend to give a solution of,

; x = -12(3)

; x = -36

7 0

3 years ago

When testing for differences between treatment means, a confidence interval is computed with __________________?

KIM [24]

The confidence interval is based on mean square error. The mean squared error (MSE) of an estimator measures the average of the squares of the errors or deviations. MSE is calculated by the formula attached in the picture, where Xbar is a vector of predictions, X is the vector of predicted values.

5 0

3 years ago

Write at least 2 numerical expressions for each written phrase below. Then, solve.

zloy xaker [14]

Answer:

a. $\frac{3}{5}(7)\text{ or }\frac{3\times 7}{5}$

b. $\frac{1}{6}(4\times 8)\text{ or }\frac{4\times 8}{6}$

Step-by-step explanation:

In numerical expressions we write numbers with the mathematical symbols ( i.e. '+', '-' etc )

a. Given phrase,

Three fifths of seven,

$\frac{3}{5}(7)$

$=\frac{3\times 7}{5}$

$=\frac{21}{5}$

$=4\frac{1}{5}$

b. One sixth the product of four and eight,

$\frac{1}{6}(4\times 8)$

$=\frac{4\times 8}{6}$

$=\frac{32}{6}$

$=5\frac{1}{3}$

7 0

3 years ago

In a 30% off sale, the price of an item is reduced by £27.

Serggg [28]

Answer: the original cost of the item is 90$

Step-by-step explanation:

30% off of the item = 27$

27 dollar is 30% of the item

thus 27 = 0.30X

0.30X = 27

time both side by 10

3X = 270

270/3 = 90

3 0

2 years ago

HELP PLEASEEEEEEEEEEEE

Vlada [557]

Answer:

Just a tip that you can use apps on the computer called Math-way and Math papa for free (Sorry i wasn't able to answer but I tried my best) Hope This helps!

Step-by-step explanation:

3 0

2 years ago