All categories

2 years ago

Sorry my brain a bit dumb, I need someone more brainly to solve this

Mathematics

2 answers:

bulgar [2K]2 years ago

5 0

Answer:

there already is an answer so my bad but ima collect points

Step-by-step explanation:

DerKrebs [107]2 years ago

4 0

I hope my ans is correct!! used some algebra here but yea i hope its still comprehensible!

You might be interested in

a plane flies 480 miles with a 15 mph tailwind and then back 480 miles with a 15 mph headwind. if the plane completes the trip i

Minchanka [31]

Since we know the x and y, you would divide 480 by 15 and 32 miles per hour. Then you would multiply 7.2 by 32 and get 230.4. Your trying to find with wind and against wind so just times that by two and get 460.8. I think

8 0

2 years ago

What is the value of x in the equation x - y = 30, when y = 15?<br> O4<br> O 8<br> O 80<br> O 200

olganol [36]

$\frac{1}{5}x - \frac{2}{3} y = 30 \\$

Putting the value of Y = 15

$\frac{1}{5} x - \frac{2}{3} \times 15 = 30 \\ \frac{1}{5} x = 30 + 10 \\ \frac{1}{5} x = 40 \\ x = 5 \times 40 \\ x = 200$

So, X = 200

6 0

2 years ago

How many miles did a plane travel if it flew 455 miles per hour in 3 hours and what formula did you have to use

Kitty [74]

Answer:

It flew 1,365 miles

Step-by-step explanation:

Just multiply the speed in mph by the time in hours so 455 * 3

4 0

3 years ago

Alex went to the grocery store and bought 5 avocados. He paid $10 and received $4.50 in change. How much did each avocado cost i

Delvig [45]

Answer:

$1.10

Step-by-step explanation:

We have been that Alex went to the grocery store and bought 5 avocados. He paid $10 and received $4.50 in change.

First of all, we will find amount paid for 5 avocados by subtracting $4.50 from $10.

$\text{Amount paid for 5 avocados}=\$10-\$4.50$

$\text{Amount paid for 5 avocados}=\$5.50$

Now, we will divide $5.50 by 5 to find cost of each avocado.

$\text{Cost of each avocado}=\frac{\$5.50}{5}$

$\text{Cost of each avocado}=\$1.10$

Therefore, the cost of each avocado is $1.10.

3 0

2 years ago

Solve the compound inequality. 7x>-35 and -5x>-50

mafiozo [28]

Answer:

x > - 5

x < 10

Step-by-step explanation:

Divide 7x>-35 by 7

Divide - 5x>-50 by - 5

Since we divide by a negative whe change the inequality sign.

7 0

3 years ago