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liubo4ka [24]
3 years ago
13

Help and pls explain

Mathematics
1 answer:
HACTEHA [7]3 years ago
3 0

Answer:

did u really ask the answer to this

Step-by-step explanation:

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Solve for x. Please look at the picture and answer it. Thank you.
SVEN [57.7K]

Answer:

\tt x=21

Step-by-step explanation:

\tt 45+63+4x-12=180

\tt \cfrac{4x}{4} =\cfrac{180-96}{4}

\tt x=21

~

7 0
2 years ago
. The diameter of Bubba's bubble is
Oksana_A [137]

Answer:

10.22

Step-by-step explanation:

2.45 * 10 =20.45 - 3.67 * 10 =30.67

30.67 - 20.45

30 - 20 = 10

.67 - .45 = .22

30.67 - 20.45 = 10.22

8 0
2 years ago
Nielsen ratings are based on televisions in 50005000 households. Nielsen estimates that 12 comma 00012,000 people live in these
avanturin [10]

Answer:

We are 95% confident that the true proportion of TV audience is between 65.15% and 65.85%

Step-by-step explanation:

-From the given information, \hat p=0.65.

-We calculate the confidence interval using this value at 95% confidence level:

CI=\hat p\pm z \sqrt{\frac{\hat p(1-\hat p)}{n}}\\\\\\=0.65\pm 1.96\times \sqrt{\frac{0.65\times 0.35}{12000}}\\\\\\=0.65\pm 0.0085\\\\\\=[0.6415,0.6585]

So, the 95% confidence interval is (0.6515,0.6585).

Hence, we are 95% confident that the true proportion of TV audience is between 65.15% and 65.85%.

6 0
3 years ago
Leo wants to paint a mural that covers a wall of an area of 600 square feet. The height of the wall is 2/3 of its lengtht. What
Nikitich [7]
Length is 30 feet and height is 20 feet.
6 0
2 years ago
.Fred is making a bouquet of carnations and roses. The carnations cost $5.25 in all. The roses cost $1.68 each. How many roses d
Vinil7 [7]

Answer:

8 roses

Step-by-step explanation:

1)18.69-5.25=13.44

because you are trying to find the cost of the roses

2)13.44/1.68=8

because you already know how much the roses cost for each rose and all together.

3 0
2 years ago
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