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Schach [20]
3 years ago
10

Given that ac=22 and bc=7, find ab

Mathematics
1 answer:
Annette [7]3 years ago
8 0

Answer:

I'll look into that answer

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15. Lily deposited $570 into her account in 15 days. Write an equation to
Aleks [24]

Answer:

38

Step-by-step explanation:

To find the unit rate (How much money in one day), you have to divide the amount of money by the amount of days and 570÷15=38

8 0
3 years ago
Ravi's age is six times that of Gaurav's. After 8 years Ravi will be twice as old as Gaurav. What are their present ages?
shusha [124]

Answer:

10 and 2

Step-by-step explanation

Nitesh is currently 10 and Ravi is currently 2

(2 times 5 is 10)

in 2 years Nitesh will be 12 and Ravi will be 4

(4 times 3 is 12)

3 0
3 years ago
I have been struggling at this please help
Taya2010 [7]

Answer:

21

Step-by-step explanation:

I shall change the pictures to letters

a + a + b = 40 --(1)

b - c = 7 --(2)

c + a = 19 --(3)

a - c + b = ?

From (1):

2a + b = 40

b = 40 - 2a --(4)

From (2):

b = 7 + c --(5)

Sub (4) into (5):

40 - 2a = 7 + c

c = 33 - 2a --(6)

Sub (6) into (3):

33 - 2a + a = 19

a = 14

Sub a = 14 into (4) and (6):

b = 40 - 2(14) = 12

c = 33 - 2(14) = 5

therefore, a - c + b = 14 - 5 + 12 = 21

Topic: simultaneous equations

If you would like to venture further into mathematics, you can check out my Instagram page (learntionary) where I post notes and mathematics tips. Thanks!

5 0
3 years ago
What is the area of the polygon
Ganezh [65]
1,159cm^2 that is the answer
7 0
3 years ago
Pls help due asap! <br> Pls SHOW WORKINGS
sladkih [1.3K]

Answer:

m\angle 1=95^{\circ}

Step-by-step explanation:

If we drew an auxiliary line parallel to line p and line q that intersects the vertex of \angle 1, we would form three angles, one of them being

The largest of these angles corresponds with the angle marked as 148^{\circ}.

The angle on the bottom right corresponds with the angle next to the one marked as 63^{\circ}. Therefore, its measure is 180-63=117^{\circ}.

Since there are 360^{\circ} in a circle, we can now write the following equation:

m\angle 1+117+148=360,\\m\angle 1=\fbox{$95^{\circ}\checkmark$}.

3 0
3 years ago
Read 2 more answers
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