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Alenkasestr [34]
3 years ago
12

What is 1 and 2/5× 7

Mathematics
2 answers:
OleMash [197]3 years ago
3 0
7/5 x 7/1 = 49/5 or 9 4/5
VashaNatasha [74]3 years ago
3 0
I'm pretty sure the answer is: 9.8
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DOING A QUIZ HELP!!!! which one is correct
SpyIntel [72]
I think it’s B.
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8 0
3 years ago
Two rectangles are similar. The first rectangle has a length of 15 cm and a width of 10 cm. The width of the second rectangle is
Margarita [4]

Answer:

Its length is 37.5 cm.

Step-by-step explanation:

If two rectangles are similar, their sides are proportional, that is, they have equal ratios. So

The first rectangle has a length of 15 cm and a width of 10 cm. The width of the second rectangle is 25 cm.

So

\frac{15}{10} = \frac{l}{25}

10l = 25*15

Simplifying by 10.

l = 2.5*15 = 37.5

Its length is 37.5 cm.

7 0
3 years ago
The sum of two numbers is 54. The smaller number is 18 less than the larger number. What are the numbers?
igomit [66]

Answer:

The larger number is 37.  This makes the smaller number 56 - 37, which is 19.

Step-by-step explanation:

 

The first step is to pick variables for the two numbers.  Lets call the smaller number x and the larger number y.

Since the sum of the two numbers is 56, this means that x + y = 56.  Let's call this equation 1 and save it for later.

 

The next sentence says:

The smaller number is 18 less than the larger number.  So, 18 less than the larger number would be y - 18.  So, the smaller number must be equal to this, so

 

x = y - 18

 

Replace the x in equation 1 with y - 18

 

x + y = 56

(y-18) + y = 56   (replace x with y-18)

2y - 18 = 56        (add the y's)

2y = 74               (add 18 to both sides)

y = 37                 (divide both sides by 2)

 

So, the larger number is 37.  This makes the smaller number 56 - 37, which is 19.

 

Hope this helps!!  :)

8 0
3 years ago
Also need help on this
Ira Lisetskai [31]
Answer is 0.5
-2 divided by -4 equals 0.5
and same thing for the rest of the equation.
8 0
3 years ago
Read 2 more answers
Oh for the love of noodles, please help me T-T
nirvana33 [79]
I would say C hope I’m not to late :’)
7 0
3 years ago
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