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2 years ago

Heya ~

Mathematics

2 answers:

icang [17]2 years ago

5 0

Answer:

y = −3

Step-by-step explanation:

Subtract 7 from 4.

y = 4 - 7 = -3

Hopefully this helps you!

KATRIN_1 [288]2 years ago

4 0

In this exercise we have to use subtraction knowledge to calculate the final value of the equation, like this:

Letter C

<h2>What is subtraction?</h2>

It is a mathematical operation in which it is possible to find a quantity by decreasing one number by another, it is opposed to addition, being represented by the minus sign.

So make the calculus we have:

$y=x-7\\x=4\\y=4-7\\y=-3$

See more about subtraction at brainly.com/question/4319655

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In ABC, what is the measure of angle B?

NeX [460]

Answer:

Step-by-step explanation:

The sum of two remote interior angles (a remote interior angle is the interior angle that is not supplementary to the exterior angle given -- in this case A and B are remote angles) equals the exterior angle.

In This case A + B = 140

A = x + 2

B = 2x

x +2 + 2x = 140

3x + 2 = 140 Subtract 2 from both sides

3x = 138 Divide by 3

x = 138/3

x = 46

<B = 2x

<B = 2*46

<B = 92

6 0

3 years ago

Factors can be defined as ________ which divide the dividend without leaving any reminder

Svetradugi [14.3K]

Answer:

Factors can be defined as a number or algebraic expression which divide the dividend without leaving any reminder.

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3 years ago

Guys what is the answer?please help me.ASAP!

Jet001 [13]

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8 0

3 years ago

The number of bacteria in a refrigerated food product is given by N ( T ) = 22 T 2 − 123 T + 40 , 6 < T < 36 , where T is

antoniya [11.8K]

Answer:

$N(T(t)) = 1408t^2 - 385.6t - 105.52$

Time for bacteria count reaching 8019: t = 2.543 hours

Step-by-step explanation:

To find the composite function N(T(t)), we just need to use the value of T(t) for each T in the function N(T). So we have that:

$N(T(t)) = 22 * (8t + 1.7)^2 - 123 * (8t + 1.7) + 40$

$N(T(t)) = 22 * (64t^2 + 27.2t + 2.89) - 984t - 209.1 + 40$

$N(T(t)) = 1408t^2 + 598.4t + 63.58 - 984t - 169.1$

$N(T(t)) = 1408t^2 - 385.6t - 105.52$

Now, to find the time when the bacteria count reaches 8019, we just need to use N(T(t)) = 8019 and then find the value of t:

$8019 = 1408t^2 - 385.6t - 105.52$

$1408t^2 - 385.6t - 8124.52 = 0$

Solving this quadratic equation, we have that t = 2.543 hours, so that is the time needed to the bacteria count reaching 8019.

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3 years ago

State the independent variable and dependent variable and find the slope.

Rudik [331]

Time is your independent variable, and snowfall is your dependent variable.

Slope can be found by calculating ∆y/∆x:
$x = \frac{0.06 - 0.02}{3 - 1} \\ x = \frac{0.04}{2} \\ x = 0.02$

Snowfall will accumulate 0.02 m every hour.

4 0

3 years ago