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2 years ago

Joan has 5//13 of a book left to read for school.Joan read 2/13 of a book on Saturday .How many books does Joan have to read

1 answer:

6 0

Well you would first add 5/13 and 2/13, so 7/13. Then you would subtract 7 from 13. So your answer would be 6/13. Hope that helped!

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Please help with this Math Question...

Nataly [62]

Answer: A

<u>Step-by-step explanation:</u>

f(x) = x³ + 4x² + 7x + 6

possible rational roots are ±{1, 2, 3, 6}

Try x = -2

-2 | 1 4 7 6

1 2 3 0 ← remainder is 0 so x = -2 is a root ⇒ (x + 2) = 0

The factored polynomial x² + 2x + 3 = 0 is not factorable so use the quadratic formula to find the roots.

a=1, b=2, c=3

$x=\dfrac{-b\pm\sqrt{b^2-4ac} }{2a}$

$x=\dfrac{-(2)\pm\sqrt{(2)^2-4(1)(3)} }{2(1)}$

$x=\dfrac{-2\pm\sqrt{4-12} }{2}$

$x=\dfrac{-2\pm\sqrt{-8} }{2}$

$x=\dfrac{-2\pm2i\sqrt{2}}{2}$

$x = -1 \pm i\sqrt{2}$

$x = -1 + i\sqrt{2}$ $x = -1 - i\sqrt{2}$

$x - (-1 + i\sqrt{2})=0$ $x - (-1 - i\sqrt{2})=0$

The factors are:

$(x - 2)[x - (-1 + i\sqrt{2})][x - (-1 - i\sqrt{2})]$

5 0

2 years ago

Figure ABCD is a rhombus. What other term describes figure ABCD?

Maslowich

Paralellogram and quadrilateral and polygon

4 0

3 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=%5Chuge%5Cblue%7B%5Cboxed%7B%5Ctt%7B%5Ccolorbox%7Bblack%7D%7Bhi%20need%20kausap%20%5C%3A%20who

mars1129 [50]

What???????? Lol I don’t get it

6 0

2 years ago

Read 2 more answers

- 11/5 -2.4 1.6 15/10 - 2.25 in order from least to greatest

tatuchka [14]

Answer (least to greatest):

-2.4
-2.25
-11/5
15/10
1.6

I hope this helps!

8 0

2 years ago

Read 2 more answers

7 | 3 + T | + 8 < 43

ziro4ka [17]

Answer:

T<7

Step-by-step explanation:

21+7T+8<43

29+7T<43

7T<43‒29

7T<14

7T/7<14/7

T<7

i think it is clear &i hope it helps you

3 0

2 years ago