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timama [110]
3 years ago
6

2 3/4÷2/5 will mark brainleyst

Mathematics
2 answers:
olga55 [171]3 years ago
6 0

Answer:

6 7/8

Step-by-step explanation:

Result in decimals: 6.875

In pic

(Hope this helps can I pls have brainlist (crown) ☺️)

Deffense [45]3 years ago
3 0

Answer: c

Step-by-step explanation: i think

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Find area of parallelogram multiple choice
alina1380 [7]

In ∆ABD

\\ \sf\longmapsto Area=\dfrac{1}{2}bh=\dfrac{1}{2}(7\times 4)

In ∆BCD

\\ \sf\longmapsto Area=\dfrac{1}{2}(7\times 4)

Now

IN PARALLELOGRAM ABCD

\\ \sf\longmapsto Area=\dfrac{1}{2}(7\times 4)+\dfrac{1}{2}(7\times 4)

Option A

4 0
2 years ago
Math:(
dimulka [17.4K]

Answer:

Your friend is incorrect because if you divide 21 by 7 you will get 3 if you add 7 to 3 you get 10 therefore your friend is incorrect.

6 0
3 years ago
If f(x) = 2x^2 + 2, find f(5)
zlopas [31]

Well, following the order of PEMDAS, I got choice B. 52

For instance, when you plug in 5 for x, you get F(5)=2(5)^2+2.

Moreover, following PEMDAS, you're supposed to solve what's inside the parenthesis, but since there is no operation going on inside the parenthesis, then you simple move on to the exponent.

In this case, you square the number 5, which gives you F(5)=2(25)+2

After that, you Multiply (letter M in PEMDAS). This results in F(5)=50+2.

Finally, you add them, which results in F=52.


By the way, I noticed a mistake in your work. When multiplying 2 by 5, the answer is 10, not 20.

Anyway, hope this helped! :-)  

8 0
3 years ago
El resultado de la operación combinada 70-25+9-2x10÷2 corresponde a:<br> A) 9 B)44 C)80
AlexFokin [52]

Answer:

B) 44

Step-by-step explanation:

70 - 25 + 9 - 2 × 10 ÷ 2

70 - 25 + 9 - 20 ÷ 2

70 - 25 + 9 - 10

45 + 9 - 10

54 - 10

44

3 0
3 years ago
What is the inverse of y = 3x + 9? A. y= 1/3x - 3 B. y = 1/3x + 9 C. y = -1/3x - 3 D. y = 9x + 3
Aneli [31]

Answer:

1/3x - 3

Step-by-step explanation:

To find the inverse, we exchange x and y and then solve for y

y =3x+9

Exchange x and y

x = 3y+9

Then solve for y

Subtract 9 from each side

x-9 =3y+9-9

x-9 = 3y

Divide by 3

1/3(x-9) = 3y/3

1/3(x-9) = y

Distribute

1/3x-3 = y

The inverse is 1/3 x -3

6 0
3 years ago
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