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zhuklara [117]
3 years ago
14

BRAINLIESTT ASAP! PLEASE HELP ME :)

Mathematics
2 answers:
taurus [48]3 years ago
8 0

Answer:

The answer is they are congruent.

Step-by-step explanation:

They have two congruent sides and share one side, so they are congruent by SSS.

I hope this helps! :)

olasank [31]3 years ago
6 0

We know the triangles are congruent because:

  • ΔDBC ≅ ΔABC (SSS Postulate)
  • CB is congruent to BC (Reflexive Property)
  • AB is congruent to DB
  • DC is congruent to AC

The congruency statement is in bold.

Best of Luck!

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Which expression shows a way to find 20% of 950? Please help, I will rate all stars and a thanks if I can. (On i-Ready)
dexar [7]

Answer:

1/5 . 950

This is cause 20% =20/100 and when reduced it is 1/5

5 0
3 years ago
If tan (theta) =5/4 and cos (theta) < 0 . Find the other trig. functions.
andrew-mc [135]
Tan(theta) = 5/4
sin(theta)/cos (theta)=5/4
cos(theta)=4sin(theta)/5
sin²(theta)+cos²(theta)=1
sin²(theta)+16sin²(iheta)/25=1  /*25
25 sin²(theta)+16 sin²(theta)=25
sin²(theta)=25/41    /√
sin(theta)=\frac{-5 \sqrt{41} }{41}
cos(theta)=\frac{-4 \sqrt{41} }{41}
cot(theta)=\frac{4}{5}
csc(theta)=1/sin(theta)=\frac{- \sqrt{41} }{5}
sec(theta)=1/cos(theta)=\frac{- \sqrt{41} }{4}

5 0
3 years ago
Write an exponential function to model the following situation.
xxTIMURxx [149]

Answer:

Part 1) The exponential function is  y=140,000(1.05)^x

Part 2) 305,602\ people

Step-by-step explanation:

Part 1) Write an exponential function

we know that

The exponential growth function is given by the formula

y=a(1+r)^x

where

y is the population

x is the number of years

a is the initial population

r is the rate of change

we have

a=140,000\ people\\r=5\%=5/100=0.05

substitute

y=140,000(1+0.05)^x

y=140,000(1.05)^x

Part 2) How much will the population be after 16 years?

For x=16 years

substitute the value of x in the exponential function

y=140,000(1.05)^{16}=305,602\ people

6 0
3 years ago
The expressions a(8x+7) and 4x+3.5 are equivalent. What is the value of a?
valentina_108 [34]

Answer:

a=1/2

Step-by-step explanation:

From the question, the expression a(8x+7) is equivalent to 4x+3.5

     Which means that multiplying 8x by a gives 4x and multiplying 7 by a gives 3.5

So, we can write the following to find the value of a

a(8x+7)\equiv 4x+3.5

we can write the following

8ax=4x

\implies a=\frac{4x}{8x}= \frac{1}{2}

Hence the value of a is 1/2

4 0
3 years ago
The independent variable in the relationship is the and should be placed on the . The dependent variable in the relationship is
Gelneren [198K]

Answer: The independent variable is what your are testing.

The dependent variable is your outcome is.

Step-by-step explanation:

3 0
3 years ago
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