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slamgirl [31]
4 years ago
12

what expressions represent the phrase "twice the sum of a number and 5"? A)2×+5, B) 2 (5)+×, C) 2 (×+5), D) (×+5)^2

Mathematics
1 answer:
Ivanshal [37]4 years ago
6 0
The answer will be c, 2(x+5)
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1.
Alex73 [517]

Answer:

2x + 7= 4x + 17

7=2x+17

-10=2x

-10/2=2x/2

x=−5

5 0
3 years ago
Find an equation of the plane. the plane through the point (−5, 9, 10) and perpendicular to the line x = 1 + t, y = 4t, z = 2 −
PtichkaEL [24]
The direction vector of the line
L: x=1+t, y=4t, z=2-3t
is <1,4,-3>
which is also the required normal vector of the plane.

Since the plane passes through point (-5,9,10), the required plane is :
&Pi; 1(x-(-5)+4(y-9)-3(z-10)=0
=>
&Pi; x+4y-3z=1

3 0
4 years ago
A bank features a savings account that has an annual percentage rate of 4.8 % with interest compounded monthly. Umbrosia deposit
Scilla [17]

S(8)=3500(1+(.047/4))^32

S(8)=$5086.40 in the account after 8 years.

a)The relative growth rate is .25, or 25%

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c)at t=5; the population is 955*e^.25(5)=955*3.49=3333.28 bacterium.

5 0
1 year ago
In one grade of 150 students, the ratio of boys to girls
juin [17]

You idiot you answered your own question!

7 0
3 years ago
Plss helpp !! beainliest and extra points
expeople1 [14]

Answer: 17 miles

.5hr x 10Mph + .5 x 24mph = 17 miles

Step-by-step explanation:

4 0
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