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Natasha_Volkova [10]
3 years ago
15

Omar scored and 82% on his first test of the quarter.will score of 38 out of 50 on the second test help or hurt his grade?

Mathematics
1 answer:
lana [24]3 years ago
8 0
38/50 so 19/25 which is 76%
it WILL hurt his grade
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Timed test
marysya [2.9K]

Answer:

The correct answer should be 5,130

Step-by-step explanation:

the 3 in 513 is in the ones place, if it were ten times greater than 3 that would be 30, or a 3 in the tens place, the 3 in the number 5,130 is in the tens place, making that the correct choice

4 0
3 years ago
Find the velocity, v(t), for an object moving along the x-axis if the acceleration, a(t), is a(t) = 3t^2 + cos(t) and v(0) = 2.
Scorpion4ik [409]
\bf \displaystyle a(t)=3t^2+cos(t)\implies \stackrel{velocity}{\int~ [3t^2+cos(t)]dt}\\\\\\ t^3+sin(t)+C=~~~v(t)
\\\\\\
\begin{cases}
v(0)=2\\
v=2\\
t=0
\end{cases}\implies 0^3+sin(0)+C=2\implies C=2
\\\\\\
\boxed{t^3+sin(t)+2=v(t)}
6 0
3 years ago
Factor 3x+6 using algebraic tiles
Kruka [31]
Answer: 3(x+2)

Let me know when you need help
I'll help get your answer!
6 0
3 years ago
Pls help will give brainless to the person help picture is the question​
Sedbober [7]

Answer:

Part 1) Geometric sequence

Part 2) 64 minutes or one hour and four minutes to complete station 5.

Part 3) 512 minutes or 8 hours and 53 minutes to complete station 8.

Step-by-step explanation:

Trust me. I used my calculator.

7 0
3 years ago
Plz help me with these two problems I’m having such trouble
igomit [66]
For No. 13 you need to calculate the distance each girl travels and compare to see whose distance is greater. The formula for distance is rate x time or d=rt. The rate is just how fast they consistently go.

Mia
d = r x t
d = 14 x 3/2
d = 21 miles

Chloe
d = r x t
d = 35 x 3/4 (btw 3/4 is just 45/60 simplified)
d = 105/4 = 26 1/4 miles

Final Answer: Chloe traveled further

For No. 14 we will recalculate Mia's distance but replace 1/5 hours with 2 hours because it says she will bike 30 minutes after Chloe had stopped. Afterwards we will compare Mia's new distance with Chloe's old distance.

Mia
d = r x t
d = 14 x 2
d = 28 miles

Final Answer: Yes Mia would be able to catch up to Chloe, and even surpass her in 30 minutes if Chloe stopped.

3 0
3 years ago
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