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Sliva [168]
3 years ago
15

Chapter 1 Math Review----the test will look very similar to these questions. Make sure

Mathematics
1 answer:
Bezzdna [24]3 years ago
8 0

Answer:

a. is 5

c. is 3

e. is 6

b. is 1

d. is 4

f. is 2

Step-by-step explanation:

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In ΔLMN, m∠L = 108°, m∠M = 25°, and ℓ = 12. What is m?
Alex_Xolod [135]

Answer:

m = 5.33

Step-by-step explanation:

First we need to calculate angle N.

Sum of angles in a triangle is 180°

∠L + ∠M + ∠N = 180°

108°+25°+∠N = 180°

∠N = 180°-(108°+25°}

∠N = 180°-133°

∠N = 47°

Given side l = 12, to get m, we will use the sine rule.

l/sinL = m/sinM = n/sinN

12/sin108° = m/sin25°

m × sin108°= 12sin25°

m = 12sin25/sin108°

m = 5.071/0.951

m = 5.33

6 0
4 years ago
Find the measurement of angle 3 in the diagram above.
Dahasolnce [82]

Answer:

135 degrees

Step-by-step explanation:

8 0
3 years ago
Charlotte is running at a rate of 9 km/h<br> what is charlottes speed in m/s<br> ​
Harrizon [31]

Answer: The conversion factor between km and m is 1 km = 1000 m, and between hr and seconds, it is 1 hr = 3600 s.  Let's first convert 9 km/hr to m/hr.

 

9 km/hr x (1000 m / 1 km) = 9000 m/hr

 

Then use the 2nd conversion factor to convert hr to seconds.

 

9000 m/hr x (1 hr / 3600 s) = 9000 / 3600 m/s = 5/2 m/s

Step-by-step explanation:

3 0
3 years ago
The gas tank of Tyrell's truck holds 19.8 gallons. When the tank is empty, tyrell fills it with gas that costs 3.65 per gallon.
Dima020 [189]
3.65x19.8=$72.07 hit that thanks button and 5 star rating plz thankyou!!!!
7 0
3 years ago
Q. 1 Find the value of |-8| + 4(-5 + 9) ÷ 2.
skad [1K]
1. 16
2. 11
Just do the order of operations (Pemdas)  <span>parenthesis, exponents, multiplication, division, addition, subtraction</span>
3 0
4 years ago
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