I need help ASAP!!!! I’ll Mark brainliest!!!!!

Mathematics

1 answer:

nalin [4]2 years ago

8 0

I think its the first one (x+5,y+6)

You might be interested in

1/3x + 1/3 = 7x + 5/ 2 find x

LekaFEV [45]

Answer:

-13/40 or -0.325

Step-by-step explanation:

6 0

2 years ago

Rita wrote an inequality for each statement. Select all statements whose inequality is an incorrect representation of the statem

solmaris [256]

The medical students m>12,the temperature of students s=>25, and the ideal candidate c=<5

8 0

2 years ago

An alloy of silver and gold is to be recast with an addition of silver. This new alloy consists of 80 ounces and is to have only

Liula [17]

Answer:

What percentage of gold is in the new alloy after the recasting? 4

Step-by-step explanation:

(80/5)*(1/5)/80=0.04

5 0

2 years ago

A humanities professor assigns letter grades on a test according to the following scheme. A: Top 12% of scores B: Scores below t

RUDIKE [14]

Answer:

The minimum score required for an A grade is 88.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 77.8, \sigma = 8.5$