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4 years ago

Circle the multiplication expression that does not belong based on scaling. Explain can you help me?

Mathematics

2 answers:

erastova [34]4 years ago

4 0

1/2x6 does not belong because it is not a mixed number equation.

Serjik [45]4 years ago

4 0

The problem that would not belong would most likely be 1/2*6. All other multiplication expressions result in a higher product than 6(the factor present in each expression). 1/2*6 is the equivalent of dividing by 2, thus resulting in an answer (3 is the answer) with a lesser value of 6.

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A fighter tank targets an enemy helicopter flying at an altitude of 1250 ft. If the ground

madam [21]

By using trigonometric relations, we will see that the angle of elevation must be 55°.

<h3>How to find the angle of elevation?</h3>

We can see this as a right triangle, where one cathetus measures 1250ft (altitude) and the other cathetus measures 875ft.

The angle of elevation is the angle such that the adjacent cathetus is the one measuring 875ft.

Then we can use the relation:

tan(a) = (opposite cathetus)/(adjacent cathetus)

tan(a) = 1250ft/875ft

To find the angle of elevation, we can use the inverse tangent function:

a = Atan(1250ft/875ft) = 55°

The angle of elevation must be 55 degrees.

If you want to learn more about right triangles:

brainly.com/question/2217700

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2 years ago

Ten cards are numbered from 1 to 10 and placed in a box. One card is selected at random and replaced. Another card is randomly s

nata0808 [166]

Answer:

1/10

Step-by-step explanation:

7 0

3 years ago

The table below shows the relationship between m and p, where the independent variable is p.

scoray [572]

Answer:

Step-by-step explanation:

P is an independent variable, therefore making M a dependent variable.

B and D are not it.

When plugging in P in choice A, M has a different answer than in the list.

A is not it.

When pluggin in P in choice C, M has the same answers as in the list.

C is the answer

5 0

2 years ago

Corey has 16 cups of flour to make cookies. one batch of cookies takes 2.5 cups of flour. if he must save 6 cups of flour for ot

babunello [35]

Since 1 batch is 2.5 cups and he needs to save 6.. what you'll do is subtract 16-6. The. You create a proportion.. You cross multiply then divide..

8 0

3 years ago

CHECK ALL ANSWERS THAT APPLY*

Musya8 [376]

Answer:

We get t= 7.22 and t=0.28

The correct options are Option A and Option G

Step-by-step explanation:

The height h of toy rocket at time t seconds after launch is given by the equation $h(t) = -16t^2 + 120t + 8$

We need to find how many seconds until the rocket is 40 feet?

We are given height of rocket h(t) = 40 feet

and we need to find time t

Using the equation $h(t) = -16t^2 + 120t + 8$ we can find time t

We have h(t)=40

$h(t) = -16t^2 + 120t + 8\\Put\:h(t)=40\\40= -16t^2 + 120t + 8\\16t^2-120t-8+40=0\\16t^2-120t+32=0$

Now, we will solve the quadratic equation using quadratic formula: $t=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

We have a =16, b=-120 and c=32

Putting values and finding t

$t=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\t=\frac{-(-120)\pm\sqrt{(-120)^2-4(16)(32)}}{2(16)}\\t=\frac{120\pm\sqrt{14400-2048}}{32}\\t=\frac{120\pm\sqrt{12352}}{32}\\t=\frac{120\pm111.12}{32}\\t=\frac{120+111.12}{32}, t=\frac{120-111.12}{32}\\t=7.22\:,\:t=0.28$

So, we get t= 7.22 and t=0.28

The correct options are Option A and Option G

4 0

3 years ago