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Anit [1.1K]
3 years ago
6

Plz help i will mark brainliest

Mathematics
1 answer:
Stels [109]3 years ago
5 0

Answer:

43

Step-by-step explanation:

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m∠ABC=(6x+8)° and m∠DEF=(12x−8)°. If ∠ABC and ∠DEF are supplementary, what is the measure of each angle?
LUCKY_DIMON [66]
<h3>★ <u>Solution:</u></h3>

Since it is given that the two angles are supplementary their sum must be equal to 180 degree

6x + 8 + 12x - 8 = 180°

→ 18x = 180°

→ x = 10°

Now substitute the value of x in the given two measures of angles.

  • m∠ABC = 6x + 8 = 68°
  • m∠DEF = 12x - 8 = 112°

Therefore the 2 angles are <u>68°</u> and <u>112°</u>

<em>Hope</em><em> </em><em>it</em><em> helps</em><em> </em><em>you </em><em> </em>:)

3 0
3 years ago
Prove tan(θ / 2) = sin θ / (1 + cos θ) for θ in quadrant 1 .
Leona [35]
We are asked to prove tan(θ / 2) = sin θ / (1 + cos θ). In this case, tan θ is equal to sin θ / cos θ. we can apply this to the equality. sin θ is equal to square root of (1-cos θ)/2 while cos θ is equal to <span>square root of (1 + cos θ)/2.
Hence, when we replace cos </span><span>θ with </span>square root of (1-cos θ)/2, we can prove already.
3 0
3 years ago
Read 2 more answers
Charlie purchases a box of cereal for $3.98, hamburger for $5.76, tomatoes for $2.87, and milk for $4.46. He has $20 with him. A
Gekata [30.6K]

Change is the amount we get back after paying for the commodity.

Change = Money paid – The bill amount

Cost of the box of cereal = $3.98

Cost of Hamburger = $5.76

Cost of tomatoes = $2.87

Cost of milk = $4.46

Total cost of the four items = 3.98 + 5.76 + 2.87 + 4.46 =$17.07

Amount with Charlie = $20

Amount left with Charlie after paying $17.07

= 20 - 17.07

=20.00 - 17.07

=$2.93

So Charlie must expect to get back $2.93 as change.

3 0
4 years ago
Read 2 more answers
CAN SOMEONE HELP ME PLEASE
klasskru [66]
The correct answer is A. 

We can tell this because when you write two triangles as congruent, the parts must match up in order. Since AC are the first and last terms in the triangle, we must have the first and last from the second. D and F are exactly that, so DF is congruent to AC. 
6 0
4 years ago
Yesterday Priya she made 12 free throws . Today she made 150% as many . How many successful free throws did Priya make today
dsp73

Priya made 18 successful free throws today

Step-by-step explanation:

Let

P_y be the number of throws Priya made yesterday

So,

P_y = 12

Let

P_t be the number of throws Priya made today

P_t will be equal to 150% of yesterday's throws

P_t = 150\%\ of\ P_y\\= 1.5 * 12\\= 18

Hence,

Priya made 18 successful free throws today

Keywords: Percentage percent

Learn more about percentage at:

  • brainly.com/question/4655616
  • brainly.com/question/4694425

#LearnwithBrainly

5 0
4 years ago
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