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2 years ago

Which expression is equivalent to (photo inserted) help asap please

Mathematics

1 answer:

alekssr [168]2 years ago

8 0

The answer would be A!

Whenever there is a fraction in the exponent, the numerator is under the square root, and the denominator is on the outside of the square root!

Additionally, since the negative is outside of the square toot, then it also outside of the parenthesis.

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Simplify each expression 2x-5y. If x=2/3 and y=1/4

Hatshy [7]

Answer:

1/2

Step-by-step explanation:

2x - 5y

2(2/3) - 5(1/4)

(2/1 x 2/3) - (5/1 x 1/4)

(4/3) - (5/4)

(4/3 x 4/4) - (5/4 x 3/3)

16/12 - 15/12

1/12

4 0

3 years ago

Read 2 more answers

To fit between two Windows the width of a bookshelf must be no greater than 6 1/2 feet. Mrs. Aguilar purchases a bookshelf that

Ann [662]

To convert the measurement in feet to inches, multiply it by 12. 6 1/2 feet is equal to 78 inches. The bookshelf bought by Mrs. Aguilar has a width that is 1 inch lesser than the distance between windows. This suggests that the bookshelf will fit in the allotted space.

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3 years ago

In the diagram abc=adb=90, ad=p and dc=q. Use similar triangles to show that x2=pz<br> plzz anyoneee

kramer

Answer:

By comparing the ratios of sides in similar triangles ΔABC and ΔADB,we can say that $x^{2} =pz$

Step-by-step explanation:

Given that ∠ABC=∠ADC, AD=p and DC=q.

Let us take compare Δ ABC and Δ ADB in the attached file , ∠A is common in both triangles

and given ∠ABC=∠ADB=90°

Hence using AA postulate, ΔABC ≈ ΔADB.

Now we will equate respective side ratios in both triangles.

$\frac{AB}{AC}= \frac{AD}{AB}=\frac{BD}{BC}$

Since we don't know BD , BC let us take first equality and plugin the variables given in respective sides.

$\frac{x}{z}= \frac{p}{x}$

Cross multiply

$x^{2}=pz$

Hence proved.

7 0

3 years ago

What is the surface area of these cuboids?

Dafna1 [17]

Answer:

To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.

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2 years ago

How can you recognize linear change from a graph, an equation, a table, or in a real world situation?

Stolb23 [73]

In linear change, the two variables keep increasing or decreasing at the same speed.

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3 years ago