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Sophie [7]
2 years ago
13

the table shows how the number of sit-ups Maria does each day has changed over time. At this rate, how many sit-ups will she do

on day 12? day 1- 17, day 2- 21, day 3- 25, day 4- 29, day 5- 33
Mathematics
1 answer:
tresset_1 [31]2 years ago
8 0

Answer:

61

Step-by-step explanation:

a = 17

d = 21 - 17 = 4

12th day: 17 + 4(12 - 1)

17 + 44

61

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In triangle abc shown below side ab is 6 and side ac is 4
kaheart [24]

Question is Incomplete, Complete question is given below:

In Triangle ABC shown below, side AB is 6 and side AC is 4.

Which statement is needed to prove that segment DE is parallel to segment BC and half its length?

Answer

Segment AD is 3 and segment AE is 2.

Segment AD is 3 and segment AE is 4.

Segment AD is 12 and segment AE is 4.

Segment AD is 12 and segment AE is 8.

Answer:

Segment AD is 3 and segment AE is 2.

Step-by-step explanation:

Given:

side AB = 6

side AC = 4

Now we need to prove  that segment DE is parallel to segment BC and half its length.

Solution:

Now AD + DB = AB also AE + EC = AC

DB = AB - AD also EC = AC - AE

Now we take first option Segment AD is 3 and segment AE is 2.

Substituting we get;

DB = 6-3 = 3 also EC = 4-2 =2

From above we can say that;

AD = DB and EC = AE

So we can say that segment DE bisects Segment AB and AC equally.

Hence From Midpoint theorem which states that;

"The line segment connecting the midpoints of two sides of a triangle is parallel to the third side and is congruent to one half of the third side."

Hence Proved.

7 0
3 years ago
You have a rack that can hold 30 CDs. You can fit 7 more CDs on the rack before the rack is full. How many CDs are in the rack?
uysha [10]
X = number of cds on the rack

x + 7 = 30
x = 30 - 7
x = 23 <== so there are currently 23 cds on the rack
5 0
2 years ago
Read 2 more answers
PLEASEEE HELP I WILL GOVE BRAINLIEST! Plus 10 points
Natalija [7]

Answer:

3 calories

Step-by-step explanation: 100%-40%=60% .6*5=3 calories

4 0
2 years ago
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Andreyy89

Answer:

130.3 lbs

Step-by-step explanation:

Just plug in the 5.35 into the x and solve. Hope this helps :)

8 0
2 years ago
Can someone clearly and correctly work out and show me how to answer QUESTION 19 AND 20??
Rudiy27
Is this a simultaneous equation question?
6 0
3 years ago
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