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2 years ago

Really bad at this Helppppppp!!!!!!!

Mathematics

1 answer:

lana66690 [7]2 years ago

5 0

Add them all the rest I'm going to put is bc there needs robbery more letters 673):?:):$:8/!?:$3&38:8!3?3$:&

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Which graph has the domain of x>-3? The less than sighn is supposed to have the line under. Will mark the brainliest

KIM [24]

Answer:

Top graph

Step-by-step explanation:

It starts at x and continues right, so x > -3 in that graph

4 0

2 years ago

What are the mensure of 1 angle and 2 angle? Show ur work or explain

STatiana [176]

Answer:

angle 1 = 105º

angle 2 = 75º

Step-by-step explanation:

angle 2 = 75º

corresponding angle to the 75º angle

angle 1 = 105º

it's supplementary to angle 2

180 - 75 = 105

6 0

2 years ago

Wren bought a baseball card last year for $2.25. This year the price dropped to $.45. What was the percent of decrease in the pr

const2013 [10]

The price:
- last year: $2.25
- this year: $.45
The decrease: $2.25 - $.45 = $1.80
2.25 : 1.80 = 100 : x
2.25 x = 180
x = 180 : 2.25
x = 80
Answer:
The percent of decrease is A ) 80%

4 0

2 years ago

At Dapper Dave's annual end-of-season sale, every necktie in the shop gets marked down. Dillon purchased 6 neckties during the s

bazaltina [42]

Answer:

6 times 5 = 30

the total is $162

162 + 30 = $192 at full price

Step-by-step explanation:

6 0

2 years ago

Assume the sample below is a perfectly random sample of students at a school. How much greater is the mean of the

igor_vitrenko [27]

Answer:

0.75

Step-by-step explanation:

The table is not well presented (See Attachment)

There are at least two approaches to this question

Method 1:

Steps

1. Calculate the mean of reported heights

Mean of reported heights = (61+68+57.5+48.5+75+65+80+68+69+63)/10

Mean of reported heights = 655/10

Mean of reported heights = 65.5

2. Calculate the mean of measured heights

Mean of measured heights = (62 + 68 + 56.5 + 47 + 72 + 65 + 78 + 67 + 69.5 + 62.5)/10

Mean of measured heights = 647.5/10

Mean of measured heights = 64.75

3. Get their difference

Difference = Mean of reported heights - Mean of measured heights

Difference = 65.5 - 64.75

Difference = 0,75

Method 2: Calculate the mean of their difference

Mean of difference = Sum of difference / Number of observations

Mean of difference = (-1 + 0 + 1 + 1.5 + 3 + 0 + 2 + 1 – 0.5 + 0.5)/10

Mean of difference = 7.5/10

Mean of difference = 0.75

Note that in both cases, the result is 0,75.

Hence, the reported heights at the school is 0.75 greater than the actual measured height

3 0

2 years ago

Read 2 more answers