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3 years ago

1/4 + 1/8= ????????????

Mathematics

2 answers:

Mashutka [201]3 years ago

8 0

Answer:

3/8

Hopes this helps you

Vera_Pavlovna [14]3 years ago

5 0

Answer:

3/8!! hope i helped :))

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Find total number of solutions of [x]^2= x + 2 {x}, where (.) and {.} denotes the greatest integer

Art [367]

Answer:

Step-by-step explanation:

There are only 5 solutions:

x=-1

x=-1/3

x=0

x=1

x=8/3

See the graph

In blue: y=[x]²

In red : y=x+2(x-[x])

4 0

3 years ago

Zahra compares two wireless data plans Which equation gives the correct value of n

Tpy6a [65]

Answer:

8n=20+6(n-2)

Step-by-step explanation:

n is the number of GB

Plan A has no initial fee and charges 8$ per each GB

So A has an equation that is y=0+8n or just y=8n.

Plan B has 20 for the first 2 GB and $6 for each addition GB after the first 2.

So B has an equation that is y=0+20+6(n-2) assuming n is 2 are greater.

So the two equations are y=8n and y=20+6(n-2).

We want Plan A to be the same as Plan B.

So we need to solve:

8n=20+6(n-2).

Let's check our equation:

Distribute:

8n=20+6n-12

Subtract 6n on both sides:

2n=20-12

2n=8

Divide both sides by 2:

n=4

Plan A charges 8 dollars ber GB, so plan A charges 4(8)=32 dollars.

Plan B charges 20 dollars for the first 2GB and 6 dollars for each GB after so we used 4 which means we are spending 20+6(2)=20+12=32 dollars.

They are the amount so n=4 is right.

6 0

3 years ago

What is the coefficient of q in the sum of these two expressions? (23q – 34) and (–16q – r) NEED HELPPP

jeyben [28]

Answer:

The coefficient of $q$ is $7$

Step-by-step explanation:

The two expressions are

$23q-34$ and $-16q-r$ .

The sum of the two expressions is

$23q-34+-16q-r$

When we group like terms the expression will be,

$=23q-16q-r-34$

When we simplify the expression will now be

$=7q-r-34$

The coefficient of $q$ is the constant behind $q$ in the expression.

The coefficient of $q$ is therefore $7$ .

5 0

4 years ago

What is decimal of 78

Darina [25.2K]

0.78 would be decimal form for 78%

7 0

3 years ago

You have budgeted $100 to improve your swimming over the summer. At your local pool, it costs $50 to join the swim association a

romanna [79]

Answer: 10

Step-by-step explanation:

Given : The fixed cost to join the swim association = $50

Then , the cost for each swim class = $5

Let x be the numbers of swim classes you can attend with, then we have the inequality below:-

$50+5x\leq100$

To solve this for x , we first subtract 50 on both sides, we get

$5x\leq50$

Now, divide both sides by 5 , we get

$x\leq\dfrac{50}{5}\\\\\Rightarrow\ x\leq10$

Hence, the possible numbers of swim classes you can attend with =10

8 0

3 years ago