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Ne4ueva [31]
3 years ago
15

PLEASE HELP ME I AM BIENG TIMED! I WILL GIVE A BRANLIEST AND POINTS!

Mathematics
2 answers:
marusya05 [52]3 years ago
3 0
In doing this you can use the factoring method to do this faster. Start by dividing both sides by two to simplify the equation. X^2 now equals 100.

You can move 100 to the other side of the equation so that x^2-100=0. You can now factor and solve using the zero product property.

x^2-100=0
(x+10)(x-10) = 0
x equals 10 and -10.
Ostrovityanka [42]3 years ago
3 0

Answer:

ill help if you can spell "bieing" the right way

Step-by-step explanation:

just saying

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Divde 3/4÷5/7 what was the error 5/7÷3/4=5/7*4/3=20/21
Dmitriy789 [7]

he change 3/4 instead of 5/7

3 0
3 years ago
If f(x) =3x2 and g(x)=4x3+1, what the degree of (f•g)(x)?<br><br> 2<br> 3<br> 5<br> 6
atroni [7]

f(x) = 3x²

g(x) = 4x³ + 1

f(g(x)) = 3.(4x³ + 1)²

As we know

(a + b)² = a² + 2.a.b + b²

So,

(4x³ + 1) = (4x³)² + 2.4x³.1 + 1² = 4x^6+8x^3+1

f(g(x)) = 3.(4x^6+8x^3+1)

The degree is the maximum exponent, so, 6.

4 0
4 years ago
A publishing industry report predicts that magazine subscriptions will drop by 5% each year. If this prediction is correct, then
Rzqust [24]

Answer:

The no. of subscribers of the magazine after 5 years is = 55713

Step-by-step explanation:

Given data

Total subscribers (N) = 72000

Drop in subscriptions in each year (R) = 5%

No. of subscribers of the magazine in 5 years is given by

N_1 = N (\frac{R}{100} )^{T}

N_1 = 72000 (0.95)^{5}

N_1 = 55713

Thus the no. of subscribers of the magazine after 5 years is = 55713

4 0
3 years ago
Jimmy is trying to escape Jane.... He runs 12 km/hr for 5 minutes, 17 km/hr for 8 minutes, and finally 6 km/hr for 2 minutes. Wh
Nana76 [90]

we are given

Jimmy is trying to escape Jane

For finding total distance , we will find distances and then add them

He runs 12 km/hr for 5 minutes

First distance:

speed =12 kh/hr

time=5 minutes

we can change into hour

t=\frac{5}{60}hr

d_1=s*t

now, we can plug values

d_1=12*\frac{5}{60}

d_1=1

second distance:

speed =17 kh/hr

time=8 minutes

we can change into hour

t=\frac{8}{60}hr

d_2=s*t

now, we can plug values

d_2=17*\frac{8}{60}

d_2=2.26667

third distance:

speed =6 kh/hr

time=2 minutes

we can change into hour

t=\frac{2}{60}hr

d_2=s*t

now, we can plug values

d_3=6*\frac{2}{60}

d_3=0.2

now, we can find total distance

d=d_1+d_2+d_3

d=1+2.26667+0.2

d=3.46667

so,

total distance is 3.46667 km...........Answer

7 0
3 years ago
Which is the most appropriate unit to measure the length of a slice of pizza?
Ne4ueva [31]
A centimetre is the most appropriate unit
6 0
4 years ago
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