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liubo4ka [24]
3 years ago
11

SOS! Can some please help me!

Mathematics
2 answers:
Wewaii [24]3 years ago
8 0

Answer:

8.9

Step-by-step explanation:

1. DE:BC=AD:AB

2. AD=AB+BD, but according to the conditions AB=5, then

AD=5+BD.

3. after the substitution DE=16; BC=9; AB=5 and AD=5+BD into the formula:

16:9=(5+BD):5;

\frac{16}{9} =\frac{BD+5}{5};

BD=80/9 - 5≈3.9.

4. if AD=AB+BD, then AD=5+3,9=8,9

DIA [1.3K]3 years ago
4 0

Answer:

8.9 is your answer to the question

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What is the measure of
nikdorinn [45]

Answer:

45°

Step-by-step explanation:

8 0
3 years ago
Can anyone answer this question for me and also if you’re able to give me the explanation on how to solve it also. PLEASE.
photoshop1234 [79]

<u>Answer</u><u>:</u>

<u> </u><u>First</u><u> </u><u>option=$13950 is correct.</u>

<u>Why</u><u>?</u>

<u>Total</u><u> </u><u>other</u><u> </u><u>cost</u><u> </u><u>=</u><u>$</u><u>1</u><u>5</u><u>5</u><u>0</u><u>0</u>

<u>1</u><u>0</u><u>%</u><u> </u><u>saving</u><u> </u><u>on</u><u> </u><u>other</u><u> </u><u>cost</u>

=10% × $15500

=$1550

<u>So total cost target on other cost for next month</u>

=$15500-$1550

=$13950

8 0
3 years ago
Help on the second graph
Deffense [45]

Answer:

<u>first graph:</u>

function.

Not one-one

onto

<u>Second graph:</u>

Function

one-one

not onto.

Step-by-step explanation:

We know that a graph is a function if any vertical line parallel to the y-axis should intersect the curve exactly once.

A graph is one-one if any horizontal line parallel to the x-axis or domain should intersect the curve atmost once.

and it is onto if any horizontal line parallel to the domain should intersect the curve atleast once.

Hence, from the <u>first graph:</u>

if we draw a vertical line parallel to the y-axis then it will intersect the graph exactly once. Hence, the graph is a function.

But it is not one-one since any horizontal line parallel to the domain will intersect the curve more than once.

But it is onto, since any horizontal line parallel to the domain will intersect the curve atleast once.

<u>Second graph</u>

It is a function since any vertical line parallel to the co-domain will intersect the curve exactly once.

It is not one-one since any horizontal line parallel to the x-axis does not intersect the graph atmost once.

It is not onto, since any horizontal line parallel to the domain will not  intersect the curve atleast once.

7 0
4 years ago
What is -19 = k - 12?
Morgarella [4.7K]
K=-7
-19=k-12
+12 +12
-7=k
8 0
3 years ago
Read 2 more answers
Question 2 of 9<br> 12 + (17 + 1) = (12 +17) + 1<br> A. True<br> B. False<br> SUBMIT
musickatia [10]

Answer:

i think true

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
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