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2 years ago

5+2x=2x+6 What's the answer?

Mathematics

1 answer:

Marina86 [1]2 years ago

3 0

Answer:

Below!

Step-by-step explanation:

We can solve this with the help of equations.

5 + 2x = 2x + 6
=> -2x + 2x = -5 + 6
=> 0 ≠ 1

Since we are getting 0 ≠ 1 as our result, the problem has no solution.

Hoped this helped.

$BrainiacUser1357$

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What two numbers multiply to -320 and add to 32

iragen [17]

Let a and b be the numbers,then a+b=32,b=32-a
ab=-320
a(32-a)=-320
32a-a^2=-320
a^2-32a-320=0
a^2-40a+8a-320=0
a(a-40)+8(a-40)=0
(a-40)(a+8)=0
a=40 or-8
when a=40,b=32-40=-8
when a=-8,b=32-(-8)=32+8=40
so numbers are 40 and -8

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3 years ago

Which pair of numbers are not opposites?

Vinvika [58]

A
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3 years ago

Read 2 more answers

The triangular numbers are defined by the recursive formula t1 = 1, tn = tn - 1 + n, where n ∈N and n > 1. What are the first

GalinKa [24]

ANSWER

C) 1, 3, 6, 10, 15, 21, 28, 36, 45

EXPLANATION

The recursive formula is,

$t_1=1,t_n=t_{n-1}+n$

when n is a natural number greater than 1.

When n=2,

$t_2=t_{2-1}+2$

$t_2=t_{1}+2 = 1 + 2 = 3$

when n=3,

$t_3=t_{2}+2 = 3 + 3= 6$

when t=4,

$t_4=t_{3}+2 = 6+ 4= 10$

When t=5,

$t_5=t_{4}+5 = 10 + 5 = 15$

when t=6,.

$t_6=t_{5}+6 = 15 + 6 = 21$

when t=7

$t_7=t_{6}+7 = 21 + 7 = 28$

When t=8,

$t_8=t_{7}+8 = 28 + 8 = 36$

When t=9,

$t_9=t_{8}+9 = 36 + 9 = 45$

Hence the first nine triangular number are

C) 1, 3, 6, 10, 15, 21, 28, 36, 45

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3 years ago

Put the numbers into the boxes to represent the sum of the rational expression given below.

Reika [66]

Answer:

$\frac{4x+9}{2x+5}$

Step-by-step explanation:

Cross multiply.
Add like terms.
Simplify.

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3 years ago

A car is traveling at a speed of 30 miles per hour. what is the car's speed in miles per minute? how many miles will the car tra

Aleksandr-060686 [28]

30 divided by 60 is 1/2
1/2 miles per minute

10 x 1/2 = 5
5 miles in 10 minutes

Hope this helped

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3 years ago