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lana [24]
3 years ago
13

Help!!! Please please I don’t know this at all

Mathematics
1 answer:
Lesechka [4]3 years ago
3 0

Answer:

X+y=180, Y=Z, X+Z=180

Step-by-step explanation:

Hope this helps, i remember doing this lesson.

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Greg earned $45.76 in 6.4 hours. How much did he earn per hour?
Alisiya [41]

Answer:

The answer is $7.15 (A)

Step-by-step explanation:

3 0
3 years ago
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A garden table and a bench cost $589 combined. The garden table costs $61 less than the bench. What is the cost of the bench?
Paul [167]

Answer:

The bench costs $350

Step-by-step explanation:

et the cost of the bench = x

 

the cost of the garden table = x + 94

 

x + (x + 94) = 794

 

2x + 94 = 794

 

2x = 700

 

x = 350

 

The bench costs $350 and the garden table costs 350 + 94 = $444

7 0
3 years ago
PLEASE HELP!!!!! How many 4-digit numbers divisible by 5, all of the digits of which are even, are there?
saul85 [17]

Answer:

I assume you know Arithmetic Progression .

so, we have to find the first and last 4-digit number divisible by 5

first = 1000 ,  last =  9990

we have a formula,   a_{n} = a + (n-1)d

here, a_{n} is the last 4-digit number divisible by 5.

n is the number of 4-digit even numbers divisible by 5

d is the common difference between the numbers, which is 10 in this case

a is the first 4-digit number divisible by 5

9990 = 1000 + (n-1)*10

899 = n-1

n = 900

Hence, there are 900 4-digit even numbers divisible by 5

7 0
3 years ago
n airplane took off from an airport and traveled at a constant rate and angle of elevation. When the airplane reached an altitud
hram777 [196]

The angle of the plane when it rose from the ground is 64.8 degrees

<h3>Application of trigonometry identity</h3>

Given the following parameters from the question

Altitude of the airplane H =  500m

Horizontal distance from airport "d"  = 235

Required

angle of elevation

According to the trigonometry identity

tan x = opposite/adjacent

tan x = H/d
tan x = 500/235

tan x = 2.1277

x = arctan(2.1277)

x = 64.8 degrees

The angle of the plane when it rose from the ground is 64.8 degrees

Learn more on angle of elevation here: brainly.com/question/88158

#SPJ1

7 0
2 years ago
Mike and Julie surveyed students to determine how many had a grade of A in math. They recorded their findings for each survey in
grin007 [14]

20/4 = 5

40/8 = 5

60/12 = 5

80/16 = 5


Answer is 5

6 0
3 years ago
Read 2 more answers
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