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3 years ago

2 3/8 - 3/4 please solve that problem just please

Mathematics

1 answer:

Reika [66]3 years ago

7 0

13/8 or in a mixed number is 1 and 5/8

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OOOO

lbvjy [14]

Step-by-step explanation:

Given bi-quadratic equation is:

$x^4+95x^2 -500=0$

Substituting $x^2=a,$ given bi-quadratic equation reduces in the form of following quadratic equation:

$a^2 +95a -500=0\\$

Let us factorize the above quadratic equation:

$a^2 +95a -500=0\\\therefore\: a^2 +100a -5a-500=0\\\therefore\: a(a +100) -5(a+100)=0\\\therefore\: (a +100)(a -5)=0\\\therefore\: (a +100)=0\:\: or \:\: (a -5)=0\\\therefore\: a = - 100\:\: or \:\: a = 5\\\\CASE\: (1)\:\\When\: a = - 100 \implies x^2 = - 100\\\therefore x=\pm \sqrt{-100}\\$

Since square root of a negative number cannot be found, so:

$x \neq \pm \sqrt{-100}\\$

$CASE\: (2)\:\\When\: a =5 \implies x^2 =5\\\therefore x=\pm \sqrt{5}\\$

3 0

3 years ago

What is the answer too r2+15r+36=0

Rashid [163]

R2+15r+36=0 the answer is r=6

3 0

3 years ago

A: Which expression shows how many ways 7 people can be arranged on individual Ferris wheel seats?

Assoli18 [71]

A: 7! and
B: 5040

you only have 7 slots with 7 * 6 * 5 * 4 * 3 * 2 * 1

8 0

3 years ago

On a coordinate grid , carries house is located 3 blocks to the right and 4 blocks up from (0,0). mikes house is located 2 block

stiv31 [10]

Carries house (3,4)
mikes house (1,2)

8 0

3 years ago

Please help me! Show me how you found the answers. 3 ANSWERS NEEDED

boyakko [2]

Answer:

B,C,E

Step-by-step explanation:

Multiple each sales total by .1 and then add 150. If they equal then it works, if they don't then it doesn't. No other way I can think of to explain this.

7 0

3 years ago