2 answers:
Answer:
im just going to copy and paste the correct ones and their answers:
<u>Problem: The sum of twice a number and −6 is 9 more than the opposite of the number. Find the number.</u>
<u>Equation: 2n − 6 = 9 − n</u>
<em>n = 5</em>
<u>Problem: Anna drove 450 km in 6 hours. Find her rate of travel.</u>
<u>Equation: 450r = 6</u>
<em>r = 75</em>
<u>Problem: Three times a number increased by 44 is the same as the opposite of the number. Find the number.</u>
<u>Equation: 3n + 44 = −n</u>
<em>n = -11</em>
<em />
<u />
Answer:
a and c
Step-by-step explanation:
a.



b.
Distance=450 km
Time=6 hours
Rate=
But from given equation


Hence, it is wrong.
c.



d.Let number of quarter=x
Number of dimes=5 x
According to question
$5.25
But given equation
$5.25
This is wrong.
Hence, option a and c are true.
You might be interested in
D) 8.17 x 10^8
910000000 - 93000000 = 817000000
817000000 ---> 8.17 x 10^8
2 dogs/ 3 cats and 10 dogs/ 15 cats are an example of
b. Equivalent ratios
__________________________

We can see that they are equivalent ratios.
C. For sure. Hope it helps
Answer:
A
Step-by-step explanation:
-75=-25a
Divide both sides by -3:
3=a
a=3
The answer is choice A
You have to actually draw one