3 years ago

I will mark Brainliest to the quickest AND right answer! 2x + 7 ≥ 27

Mathematics

1 answer:

Readme [11.4K]3 years ago

4 0

Answer:

x≥-5

Step-by-step explanation:

Because 3*-5 is -15-10 is -25 therefore it can be -5 or any number smaller than -5 because ≥ means greater than or equal to

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Send the answer from 18 to 23 with process in copy

viktelen [127]

19. Perimeter of rectangle = 2(l + b)

l = 25m

b = 16m

Perimeter of rectangular park = 2 (25 + 16)

= 50 + 32

= 82m

Perimeter of square park = 82m

(given that, perimeter of rectangular and square park are equal)

Perimeter of square = 4a

4a = 82

a = 82/4

a = 20.5m

Area of square park = a²

= 20.5²

= 420.25m²

20. Perimeter of regular hexagon = 6a

a = 2.5

6a = 6 × 2.5

= 15cm

21. Perimeter of regular decagon = 10a

a = 8

10a = 10 × 8

= 80cm

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3 years ago

Iodine-125 has a half-life of about 60 days. How many milligrams of a 1000 mg sample will remain after 240 days?

Tomtit [17]

240 days is 4 times the half-life, which means that a sample of 1000 mg will decay to

$\dfrac{1000}{2^4}=\dfrac{125}2=62.5\,\mathrm{mg}$

after 240 days.

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2 years ago

Yolanda ran 134 miles on Saturday and 212 miles on Sunday. She used fraction strips to model the total distance she ran. Rectang

velikii [3]

Answer:

The answer is B

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3 years ago

A rectangle has a base of 2 yd and a height of 5ft.<br> find the area of the rectangle

allsm [11]

2 yards = 6 feet
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3 years ago

Read 2 more answers

Hello! Please Help Its just one simple Question ^^

Flura [38]

$\\ \sf\longmapsto f(x)=112-kx$

f(-3)=121

Put -3 in f(x)

$\\ \sf\longmapsto f(-3)=121$

$\\ \sf\longmapsto 112-k(-3)=121$

$\\ \sf\longmapsto 112+3k=121$

$\\ \sf\longmapsto 3k=9$

$\\ \sf\longmapsto k=3$

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2 years ago