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3 years ago

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4. Would a 51-foot ladder be long enough to climb a 50-foot wall? Sketch a graph and find your answer using a trigonometric rati

o.

1 answer:

andreyandreev [35.5K]3 years ago

3 0

Answer:

It is

Step-by-step explanation:

Using Pythagoras 51^2 = 50^2 + b^2

b=10.0499

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PLEASE HELP ME IM BEGGING

RideAnS [48]

Answer:

$\frac{4}{25}$

Step-by-step explanation:

there are a total of 20 marbles and the chance that it is blue is 8/20 so multy that by itself and the answer is 4/25

3 0

3 years ago

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Find the sum of the first 30 terms of the sequence below an=3n+2

Solnce55 [7]

First off, let's find the 1st term's value, and the 30th term's value,

$\bf a1=3(1)+2\implies a1=5\qquad \qquad \quad a30=3(30)+2\implies a30=92\\\\
-------------------------------\\\\
~~~~~~~\textit{ Sum of an arithmetic sequence}\\\\
S_n=\cfrac{n(a1+an)}{2}~ 
\begin{cases}
n=n^{th}\ term\\
a1=\textit{first term's value}\\
----------\\
a1=5\\
a30=92\\
n=30
\end{cases} \implies S_{30}=\cfrac{30(5+92)}{2}
\\\\\\
S_{30}=15(97)$

6 0

3 years ago

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Which of the following is true of the commutative property under subtraction

Yuri [45]

The answer is A I believe it is

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4 years ago

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Vitek1552 [10]

Answer: THE ANSWER IS C

Step-by-step explanation:

THE ANSWER IS C I TOOK THE TEST

8 0

1 year ago

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Gotta need answers fast like asap, it’s geometry, just fill the blanks pls

pentagon [3]

<em>Two </em>or <u>more</u> triangles are said to be congruent if and only if they have <u>equal</u> lengths of <em>sides</em> and <u>equal</u> measures of <em>angles</em>.

Thus, the required <u>proof</u> is as shown below:

<u>STATEMENTS </u> <u>REASONS</u>

1. ΔABC and ΔDEC with AB ≅ DE;

BC ≅ EC; <1 ≅ <2 Given

2. <1 and < ABC; < 2 and <DEC are sup <u>Sum</u> of angles on a <em>straight </em>line

3. <ABC ≅ <DEC <em>Congruent</em> angles of <u>similar</u> triangles

4. ∴ΔABC ≅ ΔDEC <em>Side-Angle-Side</em> (SAS) postulate

5. ∴<ACB ≅ <DCE CPCTC postulate

For more clarifications on the properties of congruent triangles, visit: brainly.com/question/1675117

#SPJ1

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2 years ago