3 years ago

Help me fastttttttyyt

Mathematics

1 answer:

Rasek [7]3 years ago

6 0

Answer:

Step-by-step explanation:

no exponent

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Tyler needs at least $205 for a new video game system. He has already saves $30. He earns $7 an hour at his job. Write and solve

azamat

Amount needed=earned+already have
205=earned+30
earned=7 times number of hours=7h

205≤7h+30
we used the less than or equal to because he needs at least 205, means 205 or greater must be earned

205≤7h+30
minus 30 both sides
175≤7h
divide both sides by 7
25≤h
needs to work at least 25 hours

5 0

4 years ago

Read 2 more answers

Need some help with this question please

katrin [286]

Answer:

cos(θ) = -3/5

Step-by-step explanation:

The cosine of the reference angle (in the first quadrant) is ...

cos(θ) = √(1 -sin(θ)²) = √(1 -(4/5)²) = √(1 -16/25) = √((25-16)/25)

= √(9/25) = 3/5 . . . . in the first quadrant

In the second quadrant, the cosine is negative, so the answer is ...

cos(θ) = -3/5

8 0

3 years ago

Graph for (see photo)

pishuonlain [190]

What is the question

6 0

3 years ago

Jarrod walked 3 miles due north before turning left and walking 3.5 miles due west. He turned again and returned to his starting

Ganezh [65]

See the attached figure

the angle of the last turn was angle alfa in the point C
tan(alfa)=3/3.5=0.8571
alfa=arctan(0.8581)=40.60°
Round to the nearest degree---------> alfa=41°

the answer is 41°

4 0

3 years ago

What is the area of the triangle? 2606

Marizza181 [45]

Answer:

56cm squared because the formula of triangle is base times hight

Step-by-step explanation:

hope this helps

8 0

3 years ago

Help me fastttttttyyt​

Help me fastttttttyyt