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3 years ago

What is 1 plus 1 give an example and explain how u found the answer

Mathematics

2 answers:

Sophie [7]3 years ago

6 0

Answer: 1+1=2

Step-by-step explanation:

I have one apple and my friends gives me an apple. My apple that I already had plus the one my friend gave me equals 2 apples.

fenix001 [56]3 years ago

5 0

2. Adding one together twice makes two

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Find the value of k for x^2 - 2kx+7k -12=0 so that they have two equal roots

Alisiya [41]

Step-by-step explanation:

x^2 -2kx +7k -12 = 0

two equal roots -->Δ = b^2 -4ac = 4k^2 - 4(7k-12)=0 = 4(k^2 - 7k +12)=4(k-4)(k-3)=0

so k =3 and k =4

5 0

3 years ago

For the polynomial below, -2 is a zero.

Harlamova29_29 [7]

Answer:

Step-by-step explanation:

please note -2 is not a zero ,it should be 2 is a zero.

by synthetic division

2| 1 4 -10 -4

| 2 12 4

|----------------

1 6 2 | 0

x²+6x+2=0

$x=\frac{-6 \pm \sqrt{36-8} }{2} \\or~x=\frac{-6 \pm2\sqrt{7} }{2} \\or ~x=-3\pm \sqrt{7} \\h(x)=(x-2)(x^2+6x+2)=(x-2)(x-3+\sqrt{7} )(x-3-\sqrt{7})$

7 0

3 years ago

Please help <br>Thank youu

Rus_ich [418]

How this helps
The volume is 12pi

4 0

3 years ago

Which value of x makes this sentence true?

mart [117]

Answer:

9/22

Step-by-step explanation:

1/2 + x=10/11

Subtract 1/2 from each side

1/2-1/2 + x=10/11-1/2

x = 10/11 -1/2

Getting a common denominator of 22

x = 10/11*2/2 -1/2 *11/11

x = 20/22 - 11/22

x = 9/22

8 0

3 years ago

Read 2 more answers

The sum of m and 10

GREYUIT [131]

Answer:

m + 10
c - 24
8 + 12
(3×7) - 5
(7 + a) × 6
y ÷ (-5)
(x - y) ÷ 3
${(a + b)}^{2} \div 3c$

3 0

3 years ago