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Reil [10]
3 years ago
6

Need help on this question loves

Mathematics
2 answers:
zaharov [31]3 years ago
7 0

Answer:

42.3 cm^2

Step-by-step explanation:

A = 1/2(b1 + b2) x h

A = 1/2(5.6 + 8.5) x 6

A = 7.05 x 6

A = 42.3

Vitek1552 [10]3 years ago
3 0

Answer:

5.6+8.5 divided by 2 times 6 = 42.3

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What is the surface area of a rectangular prism with square bases wirh measurements a= 5 cm ,b= 7cm
vazorg [7]

Answer:

190 cm^2

Step-by-step explanation:

There are 2 congruent square bases: 5 cm * 5 cm * 2 = 50 cm^2

There are 4 congruent rectangular sides: 5 cm * 7 cm * 4 = 140 cm^2

Total surface area: 50 cm^2 + 140 cm^2 = 190 cm^2

7 0
3 years ago
Six machines, each working at the same constant rate, together can complete a certain job in 12 days. How many additional machin
aev [14]

Answer:

The answer to your question is letter C

Step-by-step explanation:

This is a problem with the inverse rule of three because we expect that more machines can complete the same work in fewer days.

                              6 machines ------------------  12 days

                              x machines -------------------  8 days

               x machines = \frac{(8 days)(6 machines)}{12 days}

                            x machines = \frac{48 machines}{12}

                                   x = 4 machines

3 0
2 years ago
14/10 divided by blank equals seven
yulyashka [42]

Answer:

14/10=1.4

7/1.4=5

1.4x5=7

Step-by-step explanation:

4 0
2 years ago
Check
Julli [10]

Answer:

the answer is 3 !

7 0
3 years ago
You need to purchase supplies for an employee appreciation picnic. Your boss gives you the shopping list below and asks that you
Natalka [10]

To get the units needed, divide the given number of items needed shown in the above portion of table, with the package size given in the below portion. Then multiply with given prices. Round off the numbers to whole numbers.

Now, money needs to be spent in Quality Groceries-

(5*15.5)+(2*6.23)+(7*3.79)+(2*2.75)+(2*4.33)+(5*7.55)

=$ 168.40

Now, money needs to be spent in Fresh Market-

(7*12.4)+(3*4.99)+(7*3.55)+(3*2.55)+(2*5.55)+(5*6.99)

=$ 180.32

So, the answer is option B.


3 0
3 years ago
Read 2 more answers
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