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Sophie [7]
3 years ago
11

How many solutions does each equation below have? how can you tell?

Mathematics
1 answer:
Vikki [24]3 years ago
8 0
A) This one has no solutions because the answer of the equation is 0=-1 which isn't true.

b) 6t-3=3t+6  ==>  3t=9  ==>  t=3  This means that this has one solution.

c) 6 (2m-3)-3m=2m-18+m  ==> 12m-18=2m-18+m  ==> 9m=0  ==> m=0 so this one has no solutions. 

d) 10+3y-2=4y-y+8  ==>  8+3y=3y+8  ==>   0=0 ==> Infinitely many solutions.

~Hope I helped!~
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Y = 2x + 1<br> y = -2x + 1<br> y = -2x - 0.5<br> y = 2x - 0.5
Eddi Din [679]

have you seen how he answers questions? doesn't deserve to have people answer his

Step-by-step explanation:

7 0
3 years ago
Find the value of expression when b=9, c=5, d=1/2; expression is 1/2d + c^3 - b​
Step2247 [10]

Answer:

115 3/4

Step-by-step explanation:

\frac{1}{2} * \frac{1}{2} Because d=1/2. 1/2*1/2=1/4

C=5 so, C^3=5x5x5

C=125

Next, b=9

Then, you put everything together.

1/4+125-9=125 1/4-9

115 3/4

115 3/4+9 1/4

7 0
3 years ago
Need desperate help thanks
guapka [62]

Answer:

x = 158

y = 22

Step-by-step explanation:

A triangle's inside sides sum up to 180 degrees. So to find the angle y, just take 180 - the sum of the other two sides.

70 + 88 =  158

180 - 158 = 22

y = 22 degrees

Now, to find angle x, since x and y are next to each other on a straight line, it means they are supplementary angles. Supplementary angles add together to equal 180, so just substract y from 180 to get x.

180 - 22 = 158

x = 158 degrees

6 0
2 years ago
Work out (4 x 3)² ÷ 6
blondinia [14]

An expression is defined as a set of numbers, variables, and mathematical operations. The solution of (4 x 3)² ÷ 6 is 24.

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The solution of the expression (4 x 3)² ÷ 6 is,

(4 x 3)² ÷ 6

= (12)² ÷ 6

= 144 ÷ 6

= 24

Hence, the solution of (4 x 3)² ÷ 6 is 24.

Learn more about Expression:

brainly.com/question/13947055

#SPJ1

6 0
2 years ago
There were 240 students at a primary school. After some new students were transferred into the school, there were 282 students i
stepan [7]

Answer:

Numbers of students at a primary school before= 240

Number of increased students =42

Again,

Increased number of students in percent(%)= 42/240×100%= 17.5%

Therefore 17.5% students are increased this year.

3 0
3 years ago
Read 2 more answers
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