3 years ago

Explain how to write 3*3/8 as the product of a whole number and a unit fraction

Mathematics

1 answer:

Lady_Fox [76]3 years ago

4 0

9/8 because you multiply 3 × 3 and leave the denominator the same

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How many solutions are in the equation 3x^2+4x-7=0?

kramer

Hello :
the equation 3x^2+4x-7=0 has 2 solutions because : ac < 0
a = 3 b=4 c= -7
Δ = b²-4ac....... b² ≥ 0 and -4ac > 0 ..... (ac < 0 )
coclusion : Δ>0.....(2 solutions)

4 0

4 years ago

5 Find x to the nearest tenth. 18.7 13 19.3 NEXT QUESTION © ASK FOR HELP

Iteru [2.4K]

Think it’s option 1.3

6 0

3 years ago

X+y=5 3x-4y=8 please i need the steps

grandymaker [24]

Answer:

x + y = 5

3x - 4y = 8

3x + 3y = 15

3x - 4y = 8 -

7y = 7

y = 1

x + y = 5

x + 1 = 5

x = 4

x = 4

y = 1

Hope it helps!

6 0

2 years ago

What is the remainder when (3x4 + 2x3 − x2 + 2x − 19) ÷ (x + 2)? 0 5 10 15

Elanso [62]

Answer: Second option is correct.

Explanation:

Since we have given that

$f(x)=3x^4+2x^3-x^2+2x-19$

And $g(x)=x+2$

To find the remainder, we use the Remainder Theorem, which states that when f(x) is divided by (x-c) then the f(c) is the required remainder.

So,

Here, we have,

$x+2=0\\\\x=-2$

So, we will find f(-2) which will give us the required remainder,

$f(-2)=3(-2)^4+2(-2)^3-(-2)^2+2(-2)-19\\\\f(-2)=(3\times 16)-(2\times 8)- 4-4-19\\\\f(-2)=48-16-36-4-19\\\\f(-2)=5$

Hence, Second option is correct.

7 0

3 years ago

Solve the equation: 9x2+64 = 0. Please show work.

Mice21 [21]

It’s is 82 because you are supposed to do multiply first then add it witch does 82

3 0

3 years ago