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Marizza181 [45]
3 years ago
12

Will AWARD BRAINLIEST! PLEASE HELP! Dasha has 4 times more rose bushes in her garden than Anna. After 39 rose bushes were remove

d from Dasha's garden and then replanted into Anna's garden, the number of bushes in both gardens became the same. How many rose bushes did Dasha's garden have originally?
Mathematics
1 answer:
Lunna [17]3 years ago
8 0

Answer:

d=104

Dasha's garden had 104 originally

Step-by-step explanation:

let d for dasha and a for Anna

d=4a

a=d/4

d-39=a+39

d-39=d/4 +39

d-d/4=39+39

3/4 d =78

3d=4*78

d=(4*78)/3

d=312/3

d=104

Dasha's garden had 104 originally

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Find the distance and midpoint of a segment with the following endpoints: (5,-1) and (-9,-1)
Likurg_2 [28]

Answer:

d = 14

(-2,-1)

General Formulas and Concepts:

  • Order of Operations: BPEMDAS
  • Distance Formula: d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}
  • Midpoint Formula: (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

Step-by-step explanation:

<u>Step 1: Define</u>

(5, -1)

(-9, -1)

<u>Step 2: Find distance </u><em><u>d</u></em>

  1. Substitute:                    d = \sqrt{(-9-5)^2+(-1-(-1))^2}
  2. Simplify:                        d = \sqrt{(-9-5)^2+(-1+1)^2}
  3. Subtract/Add:               d = \sqrt{(-14)^2+(0)^2}
  4. Evaluate:                       d = \sqrt{196}
  5. Evaluate:                       d = \14

<u>Step 3: Find Midpoint</u>

  1. Substitute:                    (\frac{5-9}{2},\frac{-1-1}{2})
  2. Subtract:                       (\frac{-4}{2},\frac{-2}{2})
  3. Divide:                          (-2,-1)
7 0
3 years ago
What would 1469.52 be rounded to?
denis23 [38]
1470 because 0.52 is close to the whole
4 0
3 years ago
Read 2 more answers
Find the perimeter of the semicircle when diameter is 3.5 cm. (1 Point)
Feliz [49]

● Answer:

8.995 cm

● Step-by-step explanation:

P = d + L/2

d = 3.5 cm

L/2 = 2pi×r/2

= pi×d/2

= 3.14×3.5/2

= 5.495 cm

P = 3.5cm + 5.495

= 8.995 cm

8 0
4 years ago
Are these right?!?! Cannot fail
jolli1 [7]
The first one is correct but I don’t know about the second one
4 0
3 years ago
Can u helppp I got stuck in the middle of this
alexandr1967 [171]

Answer:

ok bud look in this link

Step-by-step explanation:

ly/hshsuu3727 that has your answer and it looks pretty legit

4 0
3 years ago
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