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Aloiza [94]
4 years ago
15

Need help on this please

Mathematics
1 answer:
artcher [175]4 years ago
8 0

Answer:

D. Congruent after a dilation

Step-by-step explanation:

Triangel ABC and triangel DEF congruent after a dilation

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Please help thank you!​
Nadusha1986 [10]

Answer:

Step-by-step explanation:

lateral area formula= 2h(l+w) -------> 2(5) x 16+4

16+4= 20. 2x5=10. 10 x 20= 200.

lateral area= 200m

surface area= 2(wh+lw+lh) ------> 2(4x5+16x4+16x5). solve for that you get 328 m

 

4 0
3 years ago
Write 30 : 84 as a ratio in simplest form.
Phantasy [73]
15:42
Divide by 3
5:14
3 0
3 years ago
Read 2 more answers
Please help please please please
klemol [59]
The answer is 42 because 14 × 3 = 42

Hope this helped☺☺
6 0
3 years ago
The price for 3 pounds of apples is $3.99. What is the unit rate?
Sholpan [36]

Answer:

the unit rate is 1.33$ per pound of apples

Step-by-step explanation:

you can rewrite the word problem as

3x = 3.99.

now just divide both sides by 3.

3x / 3 = 3.99/3

x = 1.33

3 0
3 years ago
Read 2 more answers
Solve by completing the square <br><br> 3x^2-7x-1
docker41 [41]

Answer:

x=\frac{7+\sqrt{61}}{6},\:x=\frac{7-\sqrt{61}}{6}

Step-by-step explanation:

a=3,\:b=-7,\:c=-1:\quad x_{1,\:2}=\frac{-\left(-7\right)\pm \sqrt{\left(-7\right)^2-4\cdot \:3\left(-1\right)}}{2\cdot \:3}

x=\frac{7+\sqrt{61}}{6},\:x=\frac{7-\sqrt{61}}{6}

3 0
3 years ago
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