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2 years ago

Translate this sentence into an equation.

Mathematics

1 answer:

mr Goodwill [35]2 years ago

6 0

Answer:

r - 12 = 74

Step-by-step explanation:

The difference between his height with 12 would signify subtraction with 12, and that difference is 74. Meaning, his height, minus 12, would equal 74.

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The value of a in the equation ax + y = 5 , if x = 2 and y = 3 is a) – 1 b) 0 c) 1

sasho [114]

Answer:

c) 1

Step-by-step explanation:

=> ax+y = 5

Putting x =2, y =3

=> a(2)+3 = 5

=> 2a = 5-3

=> 2a = 2

Dividing both sides by 2

=> a = 1

3 0

3 years ago

Read 2 more answers

What is the square root of 120? And is ur rational or irrational?

denis-greek [22]

The answer is 10.95445 and it is irrational because it is not a full square

6 0

2 years ago

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The maximum value of the function: f(x)= -5 x ^2 +30x-200 is?

VARVARA [1.3K]

Answer:

$\displaystyle - 155$

Step-by-step explanation:

we are given a quadratic function

$\displaystyle f(x) = - 5 {x}^{2} + 30x - 200$

we want to figure out the minimum value of the function

to do so we need to figure out the minimum value of x in the case we can consider the following formula:

$\displaystyle x _{ \rm min} = \frac{ - b}{2a}$

the given function is in the standard form i.e

$\displaystyle f(x) = a {x}^{2} + bx + c$

so we acquire:

b=30
a=-5

thus substitute:

$\displaystyle x _{ \rm min} = \frac{ - 30}{2. - 5}$

simplify multiplication:

$\displaystyle x _{ \rm min} = \frac{ - 30}{ - 10}$

simply division:

$\displaystyle x _{ \rm min} = 3$

plug in the value of minimum x to the given function:

$\displaystyle f (3)= - 5 {(3)}^{2} + 30.3 - 200$

simplify square:

$\displaystyle f (3)= - 5 {(9)}^{} + 30.3 - 200$

simplify multiplication:

$\displaystyle f (3)= - 45 + 90- 200$

simplify:

$\displaystyle f (3)= - 155$

hence,

the minimum value of the function is -155

5 0

2 years ago

How harmful are the emissions from cosmetic hygiene and cleaning products?

Andreyy89

Answer:

Many of the chemicals in these products are known as Volatile Organic Compounds . These chemicals off-gas into the air that we breathe which exacerbates respiratory conditions and in some cases can be deadly.

Step-by-step explanation:

hope it helps u!

3 0

2 years ago

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6 What is the surface area? 26 yd 26 yd 24 yd 33 yd 20 yd square yards

CaHeK987 [17]

Answer:

26 yards = 78 ft square

78 × 78 = 6084 foot of surface area

Step-by-step explanation:

I think this is correct. Multiply 26y× 3 ft = (78)^2

4 0

2 years ago