3 years ago

Evaluate A+4 when a=7

Mathematics

1 answer:

guajiro [1.7K]3 years ago

8 0

Answer:

a = 11

Step-by-step explanation:

if A is 7 in the equation A + 4, the it could also be written as 7 + 4.

then it would just be simple addition, because you would add 7 + 4, which equals 11.

Hope this helps!

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alexandr1967 [171]

Answer:

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Step-by-step explanation:

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3 years ago

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bija089 [108]

Answer:

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Step-by-step explanation:

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3 years ago

12a^2*b^4-36a^2*b+44abc

spayn [35]

Let's simplify step-by-step.

$12a^2*b^4-36a^2*b+44abc=$

There are no like terms.

Answer:

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2 years ago

Im confused that's all - If 80% is 75 marks, what is full marks

never [62]

Let the full marks be represented by = x

As given, 80% of x is 75

So,

$\frac{80}{100}*x=75$

x= $80x=7500$

x=93.75

Hence, full marks is 93.75

We can check also- $\frac{80}{100}*93.75$ =75

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3 years ago

If Y varies directly with X solve the following :

tresset_1 [31]

Answer:

B) When Y = 90

X = 90 x -3

= -270

C) When X = -8

Y = 33.6(approx.)

D) When Y = 12.6

X = 12.6 x 3

= 37.8

Hope this helps!

4 0

3 years ago