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3 years ago

12

What would the equation be for finding out which skate board ramp is taller?

1 answer:

jeka943 years ago

5 0

Draw triangles within the ramps and since they are right triangles, use the pythagorean theorem based on what was given and solve

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Help with Math PLZ (Questions in screenshot)

-Dominant- [34]

1.) Let's say that the circle on the graph below represents x. The arrow is pointing to all the numbers greater than x, which happens to be on -2. If it points right, this means that x can equal to any number greater than -2. So your answer is x > -2.

2.) For inequalities such as these, you can simplify just like what you do for normal equations. Let's isolate x.

$x - 7 > 10$

--> $x > 10 + 7$

---> $x > 17$

3.) $3x \leq 21$

--> $\frac{3x}{3} \leq \frac{21}{3}$

---> $x \leq 7$

4.) $5a - 2 < 18$

--> $5a < 18 + 2$

---> $5a < 20$

----> $\frac{5a}{5} < \frac{20}{5}$

-----> $a < 4$

5.) $2t + 8 \geq -4(t + 1)$

--> $2t + 8 \geq -4t - 4$

---> $2t + 4t \geq -8 - 4$

----> $6t \geq -12$

-----> $t \geq -2$

7 0

3 years ago

out of 30 questions on the maths test tomi knew the answer to 27 of them what percentage of questions did tomi know the answer f

Vedmedyk [2.9K]

Answer:

90

Step-by-step explanation:

$\frac{27}{30} \times 100$

so after we cut the nessecary we get 90%

Hope this helps you

Mark as the brainlist

thank you

8 0

3 years ago

Solve the inequality 11d - 9 < 15d + 3

Yanka [14]

$11d - 9 < 15d + 3\\
-4d-3$

8 0

3 years ago

What is 20,700,0000 in standard notation?

alexdok [17]

Answer:

2.07 x 10^4

Step-by-step explanation:

8 0

3 years ago

A jeweler has five rings, each weighing 18g, made of 20% silver and 80% gold. He decides to melt down the rings and add enough s

Stella [2.4K]

Answer:20% more silver

3 0

3 years ago