2 years ago

In one or two sentences briefly describe the functions of the structures of the immune system:

Mathematics

2 answers:

CaHeK987 [17]2 years ago

4 0

Answer is F because of bones

Margaret [11]2 years ago

4 0

Answer:

Lymphatic vessels, spleen, Thymus, Bone marrow. Therefore, JIFE is the answer.

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What is 0.55 in a decimal as a fraction in simplest form ?

anzhelika [568]

0.55 is equal to 55/100, and by dividing the numerator and denominator by 5, we get 11/20. Hope this helps!

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3 years ago

Solve 3x2+7x+1=0 using the quadratic formula.

NNADVOKAT [17]

Answer:

$x=\frac{-7+-\sqrt{37} }{6}$

Step-by-step explanation:

This (±) goes between the $-7$ and $\sqrt{37}$

$3x^{2} +7x+1=0$

$ax^{2} +bx+c$

$-b$ ± $\sqrt{b^2-4ac}$ /2a

$-7$ ± $\sqrt{(7)^2-4(3)(1)}$ /2(3)

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3 years ago

A regular

vivado [14]

The correct answer is The letter b

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3 years ago

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VladimirAG [237]

Answer:

Step-by-step explanation:

Simplify 2+3 to 5.

7+3× 3 /5

Cancel 3

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Simplify.

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3 years ago

Read 2 more answers

Which expression represents the quotient of the model shown? -x2 O x + 3 x - 3 lolo o O -X-3 -x + 3

Bess [88]

Answer:

Step-by-step explanation:

Given the expression

-x^2 + x + 3 x - 3

Factorize

(-x^2 + x) + (3 x - 3)

-x(x-1)+3(x-1)

= (x-1)(-x+3)

Hence one of the quotient is -x+3

3 0

3 years ago