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ExtremeBDS [4]
3 years ago
11

The product of the square of x and seven. Write as an expression.

Mathematics
2 answers:
bogdanovich [222]3 years ago
7 0
Hello. How are you today? Is all well?

The expression written in word form would look a little like this:√x · 7 


Hatshy [7]3 years ago
5 0

Answer:

7x^2

Step-by-step explanation:

Expression consists of variables and operators like +,- , * or \

then unknown variable is x

Product means the multiplication

quotient  means the division

less represents subtraction and more represents addition

square of x is x^2

Product of square of x and 7 is x^2 \cdot 7

It can be written as 7x^2

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Distance: Jack and Jill start from the same point and walk in'opposite directions. Jack
777dan777 [17]

Answer:

t = 6 km/hour

And, J would be 4 km per hour

Step-by-step explanation:

Let us assume the speed of Tom be T

And, the Speed of Jim  be J

Given that  

T - J = 2 km /hr ...........(i)

After 3 hours distance between them  = 30 km

As they are walking in the opposite direction

Thus,  

Net speed =T + J

L ÷ (T+J) = 3

30 ÷ (T+J) = 3

T +J =10 ..............(2)

After solving these two equations

2T = 12

t = 6 km/hour

And, J would be 4 km per hour

6 0
3 years ago
Prove that : cos10° - sin10° / sin10° + cos10° = tan35°​
Digiron [165]

Step-by-step explanation:

(cos 10° − sin 10°) / (cos 10° + sin 10°)

Rewrite 10° as 45° − 35°.

(cos(45° − 35°) − sin(45° − 35°)) / (cos(45° − 35°) + sin(45° − 35°))

Use angle difference formulas.

(cos 45° cos 35° + sin 45° sin 35° − sin 45° cos 35° + cos 45° sin 35°) / (cos 45° cos 35° + sin 45° sin 35° + sin 45° cos 35° − cos 45° sin 35°)

sin 45° = cos 45°, so dividing:

(cos 35° + sin 35° − cos 35° + sin 35°) / (cos 35° + sin 35° + cos 35° − sin 35°)

Combining like terms:

(2 sin 35°) / (2 cos 35°)

Dividing:

tan 35°

3 0
3 years ago
I NEED HELP ASAP IM ON A TEST ABOUT PROPORTIONAL RELATIONSHIP WILL GIVE POINTS AND BRAINLIST
JulijaS [17]

Answer:

12/1

Step-by-step explanation:

k = y/x, where y and x is how much is added to the respective variables each point.

8 0
2 years ago
Students are selling raffle tickets for a school fundraiser. They collect $25 for every 10 raffle tickets sold. Rain equation th
Free_Kalibri [48]

Answer: m= $25/10 r

Step-by-step explanation:

Let m= money

r= raffle ticket

Then according to the statement

m= $25 for 10 tickets

so 10 tickets= $25

Or the equation goes,

m= $25/10 r

7 0
3 years ago
Determine the standard form of the equation of the line that passes through (6, – 9) and (-8, 6).
muminat

Answer:

15x + 14y = -18

Step-by-step explanation:

slope = (6 - -9)/(-8 - 6) = 15/-14

y = mx + b

6 = -15/14(-8) + b

6 = 60/7 + b

b = -18/7

y = -15/14x - 18/7

15/14x + y = -18/7, multiply everything by 14

15x + 14y = -18

4 0
3 years ago
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