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Gnoma [55]
3 years ago
8

Please help with these 3 questions and show all work!

Mathematics
1 answer:
Bas_tet [7]3 years ago
8 0
Question 1:
"Match" the letters
DE are the last two letters of BCDE
The last two letters of OPQR is QR
DE is congruent to QR

Question 2:
Blank 3: Reflexive property (shared side)
Blank 4: SSS congruence of triangles (We have 3 sets of congruent sides)

Question 3:
I'm guessing those two numbers are 7.
Since both are 7, AB and AE are congruent.
We know that all the other sides are congruent because it is given.
We also know that there is a congruent angle in each triangle.
Thus, the two triangles are congruent by SAS or SSS.
(Note: I couldn't prove this without the two "7"s because there is no such thing as SSA congruence)

Have an awesome day! :)

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Carol used 1.8 gallons of paint for a barn.She used 1/5 of the remaining paint for a dog house. She had 2/7 paint left. How much
Lilit [14]
1 4/5 + 1/5 + 2/7 =

1 28/35 + 7/35 + 10/35 =

1 45/35 = 2 35/45 =

2.78 gallons rounded to the nearest hundredth
5 0
3 years ago
What is value of x<br> Enter your answer in the box.
borishaifa [10]

Answer:

x=10

Step-by-step explanation:

Lets use a ratio.

3:2 (12 to 8)

We need to scale the x+4 up 3/2 to be equal to 2x+1

(3/2) x+4 = 2x+1

1.5x+6=2x+1

-1.5x    -1.5x

6=0.5x+1

-1          -1

0.5x=5

x=10

4 0
2 years ago
In Germany, VAT is at 19%
aleksley [76]

Answer:

Amount of VAT paid by Jeremy is € 9.31 .

Step-by-step explanation:

As given

In Germany, VAT is at 19% .

Jeremy buys a calculator in Germany for €58.31


This price includes VAT.

Let us assume that the cost of calculator excluding tax is x .

19% is written in the decimal form .

= \frac{19}{100}

= 0.19

VAT Price = 0.19 × Cost price of calculator excluding VAT

                 = 0.19 × x

                 = 0.19x

Than

Cost of calaculator + VAT price = Cost of calculator including VAT

x + 0.19 × x = 58.31

x + 0.19x = 58.31

1.19x = 58.31

x = \frac{58.31}{1.19}

x = €49  (Approx)

Thus cost price of calculator excluding VAT is €49  .

VAT Price = 0.19 × Cost price of calculator excluding VAT

                = 0.19 × 49  

                 = € 9.31

Therefore the amount of VAT paid by Jeremy is € 9.31 .

6 0
2 years ago
At sea level, the speed of sound in air is linearly related to the air temperature. If it is
ivolga24 [154]

Answer:

S=3/5T+331

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Need an answer to both please
ANTONII [103]

Plz mark me the braniliest

Answer:

1st answer: 52 serves

2nd answer: $8.40

Step-by-step explanation:

1st: 80 times 65 equals 5,200 divided by 100 equals 52

2nd: 42 times 0.20 equals 8.4 or 8.40

6 0
3 years ago
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