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ira [324]
2 years ago
7

Which of these is a simplified form of the expression –b – 2(2b + 5)?

Mathematics
2 answers:
Kay [80]2 years ago
5 0
The answer to this question is definitely C.
monitta2 years ago
3 0

Answer:

c

Step-by-step explanation:

-b -4b - 10

-5b - 10

hence c is the answer

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How do u find medians to triangles
Vedmedyk [2.9K]

Answer:What is the median of a triangle? If you find the middle of any side of a triangle, you have found its midpoint. From that midpoint, you can construct a line segment to the opposite interior angle. That constructed line from the midpoint of a side to the opposite interior angle is a median.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Please help ASAP! I will mark Brainliest! Please READ the question THEN answer CORRECTLY! No guessing!
marusya05 [52]

Answer:

The y-intercept is (0,5)

Step-by-step explanation:

y-intercept can be found by plugging x=0 into given equation

f(x)=5(6)^0=5(1)=5  

which same as given y-intercept (0,5)

8 0
3 years ago
In the triangles below, DF is congruent to MN,DG is congruent to MP, angle d is congruent to angle p. Can you prove that triangl
olga nikolaevna [1]
<h2>Answer:</h2>

Definitely we can't prove that triangle DFG is congruent to MNP. The reason is because the angles that are congruent don't match the corresponding vertex, that is, the corresponding vertices of these triangles are as follows:

D is corresponding to M

F is corresponding to N

G is corresponding to P

But the angle we know in the first triangle lies on vertex D while on the second triangle the angle lies on vertex P but it should lies on vertex M, so we'd prove they are congruent by Side-Angle-Side Postulate (SAS).

4 0
3 years ago
Alan works at a gym. One week he records the number of people to visit the gym each day. The mean average for Monday to Friday i
stellarik [79]

Answer:

146 people

Step-by-step explanation:

The formula for mean = sum of values/number of values

For Monday to Friday , the average number of people that came = 98

Hence, the total number of people that came is calculated as:

Number of people that attended Monday to Friday = 98 × 5 = 490 people

The number of people that came on Saturday = 162 people

The mean average for the whole week is 114.

The number of days in a week = 7 days

The number of people that came in on Sunday is represented = x

Therefore,

490 + 162 + x/7 = 114

Cross Multiply

652 + x = 798

x = 798 - 652

x = 146 people

Therefore, 146 people visited on Sunday

6 0
3 years ago
A circle with circumference 6 has an arc with a 60° central angle.
erica [24]

Answer:

length of an arc = 1unit

Step-by-step explanation:

given that the circumference of a circle = 6

central angle = 60

length of the arc =?

recall that the circumference of a circle = 2πr

6 = 2πr

r = 6/2π

now to calculate the length of an arc

recall,

length of an arc = 2πr(Ф/360)

length of an arc = 2π(6/2π) × 60/360

length of an arc = 6 × 60/360

length of an arc = 360/360

length of an arc = 1unit

therefore the length of the arc whose circumference is 6 and arc angle is 60° is evaluated to be 1unit

5 0
3 years ago
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