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3 years ago

Help meee hhbjjjjjhhh

Mathematics

1 answer:

velikii [3]3 years ago

7 0

I hope this helps you. The answer is c

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one number is 7 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 307,

Svetach [21]

The three numbers are 23, 161, and 123.

6 0

4 years ago

Heather wants to rent a boat and spend at most $35. The boat costs $8 per hour, and heather has a discount coupon for $5 off. wh

ELEN [110]

Answer:

5 Hours

Step-by-step explanation:

8 x 5 = 40.

Heather wants to spend $35 dollars at most. She has a discount for $5 dollars off, so basically we do 40 -5, which equals $35.

3 0

3 years ago

Find the value of x and y.

NeX [460]

Answer:

x = 4, y = 2

Step-by-step explanation:

Given quadrilateral is a parallelogram. Diagonals of a parallelogram bisects each other.

$\therefore \: 3x = 12 \\ \therefore \: x = \frac{12}{3} \\ \huge \red{ \boxed{\therefore \: x =4}} \\ \\ \therefore \: 4y = 8 \\ \therefore \: y = \frac{8}{4} \\ \huge \purple{ \boxed{\therefore \: y =2}} \\$

4 0

4 years ago

Which set of ordered pairs could be generated by an exponential function?A.(0,0),(1,1),(2,8),(3,27)B.(0,1),(1,2),(2,5),(3,10)C.(

Travka [436]

Answer:

Option D

Step-by-step explanation:

Let an exponential function

$f(x)=ab^x$

Where a=Constant $\neq 0$

$b\neq 0$

We know that

$b^0=1$

Therefore,

Point (0,0) can not be obtained by exponential function.

Hence,option A and C are incorrect.

Substitute (0,1)

$1=a$

$f(x)=b^x$

Substitute (1,2)

$2=b^1$

$\implies b^2=4\neq 5$

Hence, option B is incorrect.

D.(0,1),(1,3),(2,9),(3,27)

$f(1)=b=3$

$b^2=(3)^2=9$

$b^3=3^3=27$

Hence, option D is correct.

4 0

4 years ago

Prove algebraically that the difference between the squares of any two consecutive integers is equal to the sum of these two int

daser333 [38]

Let any integer be represented by x.
Then, the consecutive integer (the number that follows) should be x+1.

The statement wants us to prove;

(x+1)²-x²=x+(x+1) <-- solve left hand side

x²+x+x+1²-x²
2x+1 (solution for left hand side)

Now solve for right hand side.

x+(x+1)= 2x+1

As noticed, the LHS=RHS (left hand side= right hand side), therefore, the difference of squared consecutive numbers subtracted is equal to the sum of the two integers.

Hope I helped :)

5 0

4 years ago