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2 years ago

Can someone help me with my algebra homework I have 30 minutes until it's due 6 questions my insta is bahdanz

Mathematics

1 answer:

posledela2 years ago

7 0

Answer:

lete try to help you my insta it's Cruzz_ and other letters

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What is the length of QR?

Elena L [17]

Answer:

Step-by-step explanation:

Since the triangle is right with hypotenuse QR

Use Pythagoras' identity to solve for QR

The square on the hypotenuse is equal to the sum of the squares on the other two sides, that is

QR² = 8² + (8 $\sqrt{3}$ )²

= 64 + 192

= 256 ( take the square root of both sides )

QR = $\sqrt{256}$ = 16

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3 years ago

Can someone please help me with this help me please!!!

vovangra [49]

Answer:

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step-by-step equations:

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3 years ago

Multiple the binomials (x+3)^2

maxonik [38]

Answer:

$=x^2+6x+9$

Step-by-step explanation:

$\left(x+3\right)^2\\\mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a+b\right)^2=a^2+2ab+b^2\\a=x,\:\:b=3\\=x^2+2x\cdot \:3+3^2\\\mathrm{Simplify}\:x^2+2x\cdot \:3+3^2:\quad x^2+6x+9\\x^2+2x\cdot \:3+3^2\\\mathrm{Multiply\:the\:num\\bers:}\:2\cdot \:3=6\\=x^2+6x+3^2\\3^2=9\\=x^2+6x+9$

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3 years ago

Can someone help me pls

nikitadnepr [17]

Answer:

D NO IS THE WRITE ANSWER .

5 0

3 years ago

Write the inequality shown in the graph below:

love history [14]

Answer:

y < 4

Step-by-step explanation:

Since the line is dotted, it will be either greater than or less than depending on if it is shaded above or below. It's "y" because the line crosses the y axis, not the x axis.

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3 years ago