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12345 [234]
3 years ago
5

Seven less than twice a number is -19

Mathematics
2 answers:
sladkih [1.3K]3 years ago
8 0
Positive 19 because 7 isn’t less than twice the number of 19 which makes it positive instead of negative
GuDViN [60]3 years ago
7 0

Answer:

No it's positive 19!

Step-by-step explanation:

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Darryl left the White House and traveled toward the ferry office at an average speed of 25 mph. Some time later Jacob left trave
DanielleElmas [232]

Answer:

2 hours

Step-by-step explanation:

Given the following :

Darryl :

Speed = 25mph

Jacob:

Traveled in opposite direction

Speed = 35mph

After Darryl had traveled for 4 hours, Distance between them was 170 miles

Distance traveled by Darryl :

Speed * time = (25 * 4) = 100 miles

Total distance = distance traveled by Darryl + distance traveled by Jacob

170 miles = 100 miles + distance traveled by jacob

Distance traveled by Jacob = 170 - 100

Distance traveled by Jacob = 70 miles

Time = distance / speed

Time traveled by Jacob = 70 miles / 35mph

Time traveled by Jacob = 2 hours

3 0
3 years ago
1 kilometer:3 meter on the map. The distance from the school to the park is 4 meters on the map how many actual kilometers is it
Neporo4naja [7]

Answer:

4 km

Step-by-step explanation:

1000m:3m = 4000m:12m

8 0
3 years ago
If f(x) = x2 - 2x and g(x) = 6x + 4 for which value of x does (t +g)(x)=0​
Vinil7 [7]

Answer:

-2

Assumption:

Find the value of x such that (f+g)(x)=0.

Step-by-step explanation:

(f+g)(x)=0

f(x)+g(x)=0

(x^2-2x)+(6x+4)=0

Combine like terms:

x^2+4x+4=0

This is not too bad too factor on the left hand side since 2(2)=4 and 2+2=4.

(x+2)(x+2)=0

(x+2)^2=0

So we need to solve:

x+2=0

Subtract 2 on both sides:

x=-2

Let's check:

(f+g)(-2)

f(-2)+g(-2)

((-2)^2-2(-2))+(6(-2)+4)

(4+4)+(-12+4)

(8)+(-8)

0

0 was the desired output of (f+g)(x).

7 0
3 years ago
Regina, courtney, and Ellen hiked around bear pond. Regina hiked 7/10 of the distance in an hour. Ellen hiked 3/8 of the distanc
Kitty [74]
7/10 > 3/8

I found this by first finding a common denominator, so for this it will be 40. 10 can go into 40 four times, so you do 7x4 and that is 28, so 7/10 is 28/40.
3/8 is 15/40 because 8 goes into 40 five times, so you do 5x3 which is 15, so the fraction is 15/40. 15/40 is less than 28/40 because 28 > 15
8 0
3 years ago
Let’s explore a quotient raised to an exponent
irakobra [83]
The answer is 216/y^3
8 0
3 years ago
Read 2 more answers
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