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aev [14]
3 years ago
6

What is the value of y 4y squared-7y=15

Mathematics
1 answer:
zvonat [6]3 years ago
8 0

Answer:

y= 3, (-5/4)

Step-by-step explanation:

4y^2-7y=15

4y^2 - 7y -15

(y-3)(4y+5)

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14% of the town's population is over the age of 65. If there are 320 residents over the age of 65, approximately what is the tow
marshall27 [118]

Answer & Step-by-step explanation:

So if 14% are over 65, and 320 residents are over 65, then we can say that 14% of the town is 320. Then, we can divide by 14 to find 1%, which is 22.857142857 Now we can multiply this by 100 to get 2285.7142857, which is the answer. To double check, you'd just find 14% of 2285.7142857 (multiply by 0.14) which is equal to 320. Because you can't have fractions of people, however, you'd have to round the answer up to 2286 people.

If that is too difficult to understand them hope this is easier

14% of the towns population is 320. Let P denote the towns population.

14/100 * P =320

14P/100 = 320

14P = 32000

divide both sides by 14

P = 2285.71

the towns population is 2286

Hope this helps!

5 0
3 years ago
Solve −2(−4n + 1)+5(25n − 8)=−62. <br><br><br><br> n= ?
In-s [12.5K]
N= -20/133

Step 1: Simplify both sides of the equation.
−
2
(
−
4
n
+
1
)
+
5
(
25
n
−
8
)
=
−
62
(
−
2
)
(
−
4
n
)
+
(
−
2
)
(
1
)
+
(
5
)
(
25
n
)
+
(
5
)
(
−
8
)
=
−
62
(Distribute)
8
n
+
−
2
+
125
n
+
−
40
=
−
62
(
8
n
+
125
n
)
+
(
−
2
+
−
40
)
=
−
62
(Combine Like Terms)
133
n
+
−
42
=
−
62
133
n
−
42
=
−
62
Step 2: Add 42 to both sides.
133
n
−
42
+
42
=
−
62
+
42
133
n
=
−
20
Step 3: Divide both sides by 133.
133
n
133
=
−
20
133
n
=
−
20
133
5 0
2 years ago
Read 2 more answers
In February, the amount of snowfall was 2 3/8 feet. In March, the amount of snowfall was 1 1/3 feet. What was the amount of snow
Lerok [7]

Answer:3 17/24 feet

2 3/8+1 1/3=3 17/24

Step-by-step explanation:

6 0
2 years ago
32.323232 as a fraction in simplest form
Step2247 [10]

Let x = 32.323232…

Then 100x = 3232.323232…

It follows that

100x - x = 3232.323232… - 32.323232…

99x = 3200

x = 3200/99

3 0
2 years ago
Alexia's bathroom has a tub in the shape of a rectangular prism with a length of 1.5 meters, a width of 0.5 meter, and a height
disa [49]
The answer would be 0.3m^3 . Good luck! :)
5 0
3 years ago
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