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mihalych1998 [28]
3 years ago
8

Solve the equation.How many solutions does ithave?3(5x + 2) =15x +9​

Mathematics
1 answer:
aalyn [17]3 years ago
3 0

Answer:

No solutions

Step-by-step explanation:

To find the number of solutions, solve the equation.

15x + 6 = 15x + 9          Distribute the 3 to the (5x + 2).

(15x - 15x) + 6 = (15x - 15x) + 9     Subtract 15x from both sides.

6 = 9          Since all of the variables cancel each other out, you are left with an untrue statement, so therefore, there are no solutions to this equation.

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Vita saved $72 last December. This amount represents 2/9 of the total amount she saved last year. What is the total amount Vita
GrogVix [38]
\dfrac{2}{9} \text { of the saving} = \$72

-----------------------------------------------
Find 1/9 :
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\dfrac{1}{9} \text { of the saving} = \$72 \div 2

\dfrac{1}{9} \text { of the saving} = \$36

-----------------------------------------------
Find 9/9 :
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\dfrac{9}{9} \text { of the saving} = \$36 \times 9

\dfrac{9}{9} \text { of the saving} = \$324

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Answer: The total amount is $324.
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7 0
3 years ago
Solve for x. 3x+1=7 What is the root? If there is no root, choose none.
nikdorinn [45]

I think the root of "3x + 1 = 7" is 2...

6 0
3 years ago
Read 2 more answers
Evaluate 18 divided 2a if a = 3
Andreas93 [3]

Answer:

3

Step-by-step explanation:

\frac{18}{2a}

a = 3

\frac{18}{2(3)}

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\frac{18}{6}

simplify

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5 0
2 years ago
Solve for x check your solution
abruzzese [7]
Area for a triangle is (1/2) bh or bh/2
So using this info, b = 1.5 m and h = x and A = 1.5 m^2

A = bh/2
1.5 = 1.5x/2
Multiply both sides by 2 to get rid of fraction ... 3 = 1.5x
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8 0
3 years ago
HELP FAST GIVE A DECENT AMOUNT OF POINTS! FOR EASY!
laila [671]

Answer:

The value of angle is 56.9°

Step-by-step explanation:

First, you have to find the length of hypotenuse using Pythagoras' Theorem, c² = a² + b² :

{c}^{2}  =  {a}^{2}  +  {b}^{2}

let \: a = 8.25 \\ let \: b = 6.45

{c}^{2}  =  {8.25}^{2}  +  {6.45}^{2}

{c}^{2}  = 68.0625 + 41.6025

{c}^{2}  = 109.665

c =  \sqrt{109.665}

c = 10.47cm \: (4s.f)

In order to find θ, you have to apply Sine Rule :

\sin(θ)  =  \frac{opposite}{adjacent}

let \: oppo. = 8.77 \\ let \: hypo. = 10.47

\sin(θ)  =  \frac{8.77}{10.47}

θ =  { \sin( \frac{8.77}{10.47} ) }^{ - 1}

θ = 56.9 \: (1d.p)

4 0
2 years ago
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