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4 years ago

PLS HELP IM EXHAUSTED WILL GIVE DA CROWN

Mathematics

2 answers:

Nataly [62]4 years ago

5 0

Answer:

Step-by-step explanation:

natali 33 [55]4 years ago

5 0

The answer to your question is a -1 1/8

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Evaluate the expression 1/3^-2

AleksAgata [21]

Answer:the answer to this is 9

Step-by-step explanation:

6 0

4 years ago

Un club de football decide de vendre des tee-shirts

guapka [62]

Answer:

1) the purchase price

(4.30+1.45)*2000

5.75*2000

11500€

2) the profit

(1750*10.50+(2000-1750)*8.50)-11500

18375+2125-11500

9000€

Step-by-step explanation:

7 0

3 years ago

How do you know that the sum of -2 3/4 and 5/9 rational?

Crank

The sum of any two rational numbers is rational. Both of these numbers are rational, therefore adding them will give us another rational number.

8 0

4 years ago

Read 2 more answers

With a detailed explanation from the internet 1/(x-5)+3/(x+2)=4

irga5000 [103]

Answer:

$\boxed{ \sf x=\dfrac{4\pm\sqrt{43}}{2}}$

Explanation:

$\rightarrow \sf \dfrac{1}{x-5}+\dfrac{3}{x+2}=4$

make the denominators same

$\rightarrow \sf \dfrac{1(x+2)}{(x-5)(x+2)}+\dfrac{3(x-5)}{(x+2)(x-5)}=4$

join the fractions together

$\rightarrow \sf \dfrac{x+2+3x-15}{(x-5)(x+2)}=4$

cross multiply

$\rightarrow \sf x+2+3x-15=4(x-5)(x+2)$

simplify

$\rightarrow \sf 4x-13=4x^2-12x-40$

group the variables

$\rightarrow \sf 4x^2-16x-27 = 0$

use quadratic formula

$\rightarrow \sf x = \dfrac{-\left(-16\right)\pm \sqrt{\left(-16\right)^2-4\cdot \:4\left(-27\right)}}{2\cdot \:4}$

simplify the following

$\rightarrow \sf x=\dfrac{4\pm\sqrt{43}}{2}$

7 0

2 years ago

Read 2 more answers

A salad dressing recipe requires at least 8 oz of oil to be combined with some combination of vinegar and lemon juice in a 16 oz

valentina_108 [34]

Let x represent the number of ounces of vinegar

Let y represent the number of ounces of lemon juice

Oil required = 8 oz

Container can hold = 16 oz

So the inequality equation will be :

$x+y+8\geq16$

6 0

3 years ago