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BlackZzzverrR [31]
3 years ago
14

Can someone help me do this with working pls

Mathematics
1 answer:
ycow [4]3 years ago
4 0
∵ the two triangles are congruent

AB / AD = BC / DE
8/4 = 6/ DE
DE = 6 x 3 ÷ 8 = 3 cm
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2.5×10165×108 ?
MaRussiya [10]

Answer:45 10-5-108, as last amended by Laws of Utah 2017, Chapter 193 ... 247 (d) Title 63G, Chapter 2, Government Records Access and Management Act; 248 (e)

Step-by-step explanation:

7 0
2 years ago
Can u guys PLEASE answer this question ASAP find the values of m and n where m>0 (m+√n)² = 14+6√5
Korvikt [17]

Answer:

m=3, n=5

Step-by-step explanation:

(3+√5)² = (3+√5)(3+√5) =

3² + 3√5 + 3√5 + √5·√5 = 9 + 6√5 + 5 = 14+6√5

5 0
4 years ago
The power P required to do a fixed amount of work varies inversely as the time t. If a power of 15 J/h is required to do a fixed
Ira Lisetskai [31]

Answer:

7.5

Step-by-step explanation:

if 2h =15j/h

then 1h=1/2 *15

=7.5

4 0
3 years ago
Read 2 more answers
Problem solving with inequalities
anzhelika [568]

Option D:

15c ≤ 200

Solution:

Let c be the number of cases of tea bags.

Cost of each tea bag = 15 gold coins

Total gold coins Mad have = 200

<u>Set up an inequality:</u>

Cost of c tea bags = 15 × c = 15c

Mad can buy tea bags at most 200 gold coins.

(At most 200 means 200 is the greater value)

15 × c ≤ 200

15c ≤ 200

Hence option D is the correct answer.

8 0
4 years ago
A rectangle has an area of 105 square feet. If the sum of the length and the width is 26 feet, find the dimensions. Include unit
Andrei [34K]

L x W = 105

L + W = 26 so L = 26 - W

substitute L = 26 - W into L x W = 105


(26 - W) x W = 105

26W - W^2 = 105

W^2 - 26W + 105 = 0

(W - 21)(W - 5) = 0

W - 21 = 0; W = 21

W - 5 = 0; W = 5


The the dimensions of the rectangle are 5 ft and 21 ft.


Double check:

The sum of the length and the width is 26 feet: 21 + 5 = 26 feet

A rectangle has an area of 105 square feet: 21 x 5 = 105 square feet



8 0
3 years ago
Read 2 more answers
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