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3 years ago

Geometry and stufff Help cause I’m dumb :) What’s the value of the missing angle

Mathematics

1 answer:

Elena L [17]3 years ago

4 0

Answer:

Guys I am going to make a Zoom meeting and share my screen Kahoot join if you want :D

747-8518-2433

Meeting code

password 9f4R3R

NO waiting room

Step-by-step explanation:

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A car traveling at a constant speed travels 1000 ft in 12 seconds. how long in hours will it take to travel 175 miles?

artcher [175]

9514 1404 393

Answer:

3.08 hours

Step-by-step explanation:

We assume you're interested in the time in hours.

$175\text{ mi}\times\dfrac{12\text{ s}}{1000\text{ ft}}\times\dfrac{5280\text{ ft}}{1\text{ mi}}\times\dfrac{1\text{ h}}{3600\text{ s}}=\dfrac{175\times12\times5280}{1000\times3600}\text{ h}=\boxed{3.08\text{ h}}$

It will take 3.08 hours to travel 175 miles at that speed.

7 0

3 years ago

Mari is adding (-7) and (-2). She adds their absolute values and says the answer is 9.

Helen [10]

Answer:

ari is adding (-7) and (-2). She adds their absolute values and says the answer is 9.

What did Mari forget?

that is neither positive nor negative

to move left on the number line

to keep the sign of the larger integer

to keep the sign of the two integers being adde

Step-by-step explanation:

5 0

2 years ago

Verify the identity<br><br> cos quantity x plus pi divided by two = -sin x

In-s [12.5K]

Answer:

Identity is verified.

Step-by-step explanation:

We have to verify the identity $cos(x+\frac{\pi }{2}) = (- sinx)$

To prove any identity we always prove one side(either left hand side or right hand side) of the equation equal to the other side.

In this identity we take the left hand side first

$cos(x+\frac{\pi}{2})$

$=cosx\times cos(\pi/2)-sinx\times sin(\pi/2))$ (as we know cos(a+b) = cosa×cosb-sina×sinb)

$= cosx\times0-sinx\times1$

$= 0-sinx$

= - sinx ( Right hand side)

Hence identity is proved.

6 0

3 years ago

A lender estimates the closing costs on a home loan will be 3.75% of the loan amount of $120,000. The actual closing costs are l

zvonat [6]

idk

.................

3 0

3 years ago

Read 2 more answers

Find g(x), where g(x) is the reflection across the y-axis of f(x)=x.

3241004551 [841]

X➝-x by reflection, so g(x)=-x

7 0

3 years ago