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quester [9]
3 years ago
6

Can someone help me with this? I just need help understanding it.​

Mathematics
1 answer:
azamat3 years ago
6 0
What do you need help with !?! I don’t get it you just write the question no picture
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∠C and ∠D are a linear pair. ∠C is four times larger than ∠D. What is the measure of ∠C?
Lostsunrise [7]

first we represent the unknowns using variables:

let x = measure of angle 4

let 3x+4 = measure of angle 3 (from the second statement)

then we set-up the equation. since the angles form a linear pair, their sum is equal to 180 degrees. therefore,

x + 3x + 4 = 180

4x + 4 = 180

4x = 176

x = 44 degrees (measure of angle 4)

3x + 4 = 136 degrees (measure of angle 3)

5 0
3 years ago
Caillans pocket money increased from $15 per week to $20 per week.
gladu [14]
Caillan's pocket money increased 20-15=5 dollars per week, or to 20-15=1.33 of it's original amount. This is a 33% increase.
4 0
4 years ago
At Alan’s Produce, all produce is 20% off on Tuesdays. If a head of lettuce is normally $2.50, how much would it cost on Tuesday
Rufina [12.5K]

Answer:

$2.00

Step-by-step explanation:

2.50*.20=.5

2.50-.5= $2

7 0
3 years ago
Which is a perfect square between 49 and 121? A. 36 B. 50 C. 99 D. 100
ANEK [815]
36 and 100 are both square numbers.
However, only 100 is within the given range.
6 0
3 years ago
6(3m+5)=66<br> find m please
ratelena [41]

Answer:

2

Step-by-step explanation:

solve the parentheses (6*3m)(6*5) so 18m +30 = 66, subtract 30 to both sides. 18m =36 and divide by 18 to both sides m=2

5 0
3 years ago
Read 2 more answers
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