2 years ago

What is the answer to this 584,405÷884

Mathematics

2 answers:

DIA [1.3K]2 years ago

7 0

Your answer would be 661 r 81

I am Lyosha [343]2 years ago

6 0

Theirs your answer 661.091628959

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If BC = 6 and AD = 5, find DC. 4 4.5 7.2

anygoal [31]

Answer:

The length of CD is 4 units

Step-by-step explanation:

Given the triangle ABC and if BC = 6 units and AD = 5 units

we have to find the length of DC.

In ΔABC and ΔBDC

∠ABC=∠BDC (each 90°)

BC=BC (common)

∠C=∠C (Common)

By ASA rule, ΔABC≈ΔBDC

Therefore their corresponding sides are in proportion

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

$\frac{BC}{AC}=\frac{CD}{BC}$

Let CD=x units

$BC^2=(AC)(CD)$

$6^2=(AD+CD)CD$

$36=(5+x)x$

$36=5x+x^2$

$x^2+5x-36=0$

$x^2+9x-4x-36=0$

$x(x+9)-4(x+9)=0$

$(x-4)(x+9)=0$

x=4, -9

Distance can't be negative therefore

The length of CD is 4 units

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Hadassa is hiking at a rate of 5 miles per hour. At this rate, how long will it take her to hike 32.5 miles? I NEED HELP PLEASE

uranmaximum [27]

Answer:

6.5 hours

Step-by-step explanation:

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2 years ago

Evaluate ƒ(x ) = x 2 + 1 for ƒ(10).<br><br> 2√2<br> 101<br> 21

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F(10) = (10)^2 + 1
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101 is the answer

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