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Amiraneli [1.4K]
2 years ago
11

What is the measure of the missing angle? 115° 35° 75° 40°

Mathematics
2 answers:
lions [1.4K]2 years ago
8 0
Answer:
115

Explanation:
Angles in a triangle sum to 180
Add the two angles given and subtract it from the total sum of angles to find the missing interior angle -
75 + 40 = 115
180 - 115 = 65
Now that we have the interior angle, we can work out the exterior angle by subtracting it from 180
180 - 65 = 115
BaLLatris [955]2 years ago
5 0

Answer:115

Step-by-step explanation:

i took the lesson

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Given f(x)=x-10 . what is f(-7)?
Tomtit [17]
F(-7) = -7 - 10

f(-7) = -17


Hope I helped!

Let me know if you need anything else!

<span>~ Zoe (Rank:'Genius')</span>
8 0
3 years ago
On a 40‐point test, Steve received an 80%. How many points did he receive on the test?
jarptica [38.1K]

Answer:

Steve got 32 points

Step-by-step explanation:

Take the total score and multiply by the percentage received

40 * 80%

Change to decimal form

40 * .80

32

Steve got 32 points

7 0
2 years ago
Q18. The sum of the first N terms of an arithmetic series, S, is 292 The 2nd term of S is 8.5 The 5th term of Sis 13 Find the va
Gelneren [198K]

Step-by-step explanation:

Sn= a+[n-1]d

S2= a+[2-1]d

8.5 = a+d _______Equation 1

S5 = a+[5-1]d

13=a+4d ________Equation 2

Subtract Equation 1 from Equation 2

13=a+4d

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8.5= a+d

________

4.5= 3d

d=1.5

Substituting d=1.5 in equation 1

8.5=a+1.5

a=8.5-1.5

a=7

Sum of terms of an A.P =

Sn= n/2[2a+(n-1)d]

292= n/2[2×7+(n-1)d]

292=n/2[14+(n-1)1.5

292×2=n[14+(n-1)1.5]

584=n[14+1.5n-1.5]

584= 14n+1.5n²-1.5n

584= 1.5n²+12.5n

1.5n²+12.5n-584

1.5n²-24n+36.5n-584

1.5n(n-16)+36.5(n-16)

(1.5n+36.5)(n-16)

**n-16=0

n=16

3 0
1 year ago
At the beginning of a population study , a city had 370,000 people. Each year since the population had grown by 7.9%. Let t be t
dmitriy555 [2]

Answer:

Population = starting population * ( 1 + rate) ^ years

y = 370,000 * (1.079) ^ t

Step-by-step explanation:

3 0
3 years ago
A 2 ton truck is taxed at a rate of $0.12 per pound how much is the total tax bill?
Triss [41]

Answer:

$480

Step-by-step explanation:

2 tons is 4000 pounds so,

4,000 * 0.12 = 480

:)

4 0
3 years ago
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