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UNO [17]
3 years ago
12

Plzzzz help im stuck hurry pls

Mathematics
1 answer:
Aneli [31]3 years ago
4 0

Answer:

x ≥ -2

Step-by-step explanation:

x is greater than or equal to -2

x≥ -2

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Beatrice built about 1/3 of a sandcastle. Linda built 4/7 of the same castle. What fraction of the sandcastle did they build tog
wlad13 [49]

Answer    

Find out the what fraction of the sandcastle did they build together .

To prove

Let us assume that the fraction of the sandcastle  they build together be x .

As given

Beatrice\ built\ about\ \frac{1}{3}\ of\ a\ sandcastle.

Linda\ built\ \frac{4}{7}\ of\ the\ same\ castle.

Than the equation becomes

x = \frac{1}{3} +\frac{4}{7}

L.C .M of (3,7) = 21

solving

x = \frac{7 + 3\times4}{21}

x = \frac{19}{21}

Therefore the fraction of the sandcastle did they build together be

x = \frac{19}{21}

Hence proved



4 0
4 years ago
10 + 9 • (−3) 2− (−1 + 8)
Vitek1552 [10]

Answer:

-51

Step-by-step explanation:

PEMDAS suggests you start with parenthesis

10+9•(-3)2-(7)

10-(27)2-(7)

10-54-7

-51

3 0
3 years ago
Read 2 more answers
Pass through (-6,-6) parallel to y= 4/3x+8
Evgen [1.6K]

Answer:

y

=

4

3

x

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6

Step-by-step explanation:

5 0
3 years ago
Seed mixture X is 40 percent ryegrass and 60 percent bluegrass by weight; seed mixture Y is 25 percent ryegrass and 75.percent f
irinina [24]

Answer:

33%

Step-by-step explanation:

Assuming the weight of the mixture to be 100g**, then the weight of ryegrass in the mixture would be 30g.

Also, assume the weight mixture X used in the mixture is Xg, then the weight of mixture Y used in the mixture would be (100-X)g.

So we can now equate the parts of the ryegrass in the mixture as:

0.4X + 0.25(100-X) = 30

<=> 0.4X + 25 - 0.25X = 30

<=> 0.15X = 5

<=> X = 5/0.15 = 500/15 = 100/3

So the weight of mixture X as a percentage of the weight of the mixture

= (weight of X/weight of mixture) * 100%

= (100/3)/100 * 100%

= 33%

3 0
4 years ago
Write and expression and determine which function. Please help with these questions.
True [87]

B 39t

C is a function

6 0
3 years ago
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