3 years ago

Draw and label a tape diagram to subtract 10, 20, 30

Mathematics

1 answer:

Svet_ta [14]3 years ago

8 0

This isnt something I can do... But draw and label a tape diagram that goes from 0 to 30.

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-b+10a-5 in standard form

ludmilkaskok [199]

Answer:

10a-b-5

Step-by-step explanation:

-b+10a-5 in standard form

10a-b-5

hoped this helped :)

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3 years ago

What elements of a rectangular prism are needed to find its volume?

Dmitry_Shevchenko [17]

Answer:

Height Length And Width

Step-by-step explanation:

The formula for the volume of a retangular prisim is Volume=Length x Width x Height

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2 years ago

Read 2 more answers

F(x) = 4x^2 - 3x + 2kx + 1

dybincka [34]

$f(x)=4x^2-3x+2kx+1=4x^2+(2k-3)x+1\\\\a=4;\ b=2k-3;\ c=1\\\\function\ has\ two\ zeros\ when\ \Delta=b^2-4ac > 0\\\\\Delta=(2k-3)^2-4\cdot4\cdot1=4k^2-12k+9-16=4k^2-12k-7 > 0\\\\a_k=4;\ b_k=-12;\ c_k=-7\\\\\Delta_k=(-12)^2-4\cdot4\cdot(-7)=144+112=256\\\\k_1=\frac{-b_k-\sqrt{\Delta_k}}{2a_k};\ k_2=\frac{-b_k+\sqrt{\Delta_k}}{2a_k}$

$\sqrt{\Delta_k}=\sqrt{256}=16\\\\k_1=\frac{12-16}{2\cdot4}=\frac{-4}{8}=-\frac{1}{2};\ k_2=\frac{12+16}{2\cdot4}=\frac{28}{8}=\frac{7}{2}\\\\a_k=4 > 0\ (up\ parabola\ arms-see\ the\ picture)\\\\Answer:k\in(-\infty;-\frac{1}{2})\ \cup\ (\frac{7}{2};\ \infty)$

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3 years ago

Two sides of a triangle measure 8 centimeters and 13 centimeters which of the following could not be the length of the third sid

SOVA2 [1]

The answer is A because 13-9 equals 4

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3 years ago

Tomika owns 3/5 of a law partnership. What percent of the partnership does she own

harina [27]

3 divided by 5 = 0.6%

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3 years ago