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Oduvanchick [21]
2 years ago
14

Spencer can do a piece of work in 20 days and Toby in 25 days. They began to work together.

Mathematics
1 answer:
Verdich [7]2 years ago
8 0

I believe the answer is that Spencer left after 9 days.

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10
Elena-2011 [213]

Answer:

B

Step-by-step explanation:

a,b and c are the sides of a triangle if it satisfies:

a<b+c  , b<a+c and c<b+a

Here, a=4 and b=7

We have to find c

i.e. all those c which satisfies:

4<7+c , 7<4+c and c<4+7=11

A.3   it is not true since it doesn't satisfies second inequality

B.5   it is true

C.7   it is true

D.9   it is true

E.11   This is clearly false, since it doesn't satisfies inequality third

F.17 This is clearly false, since it doesn't satisfies inequality third

Hence, correct options are:

B.5

C.7

D.9

Still stuck? Get 1-on-1 help from an expert tutor now.

5 0
2 years ago
Read 2 more answers
a math book is 1 and 1/2 inches thick. How many math books will fit on a shelf that is 2 feet long?
ExtremeBDS [4]
16 because 2 feet is 24 inches and 24 divided by 1.5 is 16
6 0
4 years ago
Help in need help and plz dont give me a website plz
Varvara68 [4.7K]

Answer:

u = 7

Step-by-step explanation:

In a parallelogram, GI = GK so:

u + 28 = 5u

4u = 28

u = 7

4 0
3 years ago
A store gives a discount of $20 for every purchase above 100. A customer buys clothes worth $78.04, groceries worth &amp;24.81 a
Nadya [2.5K]
First figure out his total bill by adding up what he buys.

\sf 78.04+24.81+17.96=\$120.81

Now subtract the discount of $20 since his purchase was above $100:

\sf 120.81-20=\boxed{\sf\$100.81}
7 0
3 years ago
Read 2 more answers
25 percent of 510,000
stellarik [79]

Answer:

127 500

Step-by-step explanation:

Let x be the missing value.

● 510 000 => 100

● x => 25

x = (25*51000)÷100 = 127 500

6 0
3 years ago
Read 2 more answers
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