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Soloha48 [4]
3 years ago
13

Need help!! algebra 1 XY = 9

Mathematics
2 answers:
GenaCL600 [577]3 years ago
8 0

Answer:

both equal 3 or 1 and 9

Step-by-step explanation:

TEA [102]3 years ago
8 0

Answer:

both equal 3 or 4 to get 9

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Can someone explain how I solve both of these? I’m sort of lost
Alexus [3.1K]

Answer:

#1) Well buying something 15 percent cheaper is like saying your buying something for 85% of its normal price.

Well a tax is adding onto somethign right? A percent means out of a hundred. A 5 percent tax is addding 5 percent to the hundred so really your paying 105 percent of the price. Convert into decimal you get 1.05

So assuming y is the original and the state Tax being 5% then

(y*0.85)1.05 (last option)

#2) Well we now x is adult tickets and y is child.

Adult tickets are $74

Youth is $35

Now we want to know c or total.

So 74x+35y=c (last option)

6 0
2 years ago
Read 2 more answers
In a multiple linear regression analysis, statistical model utility is determined by the value of R2 and 2s, while practical mod
Natali [406]

Answer:

This statement is true because if F statistics is significant, then the entire multiple regression model is useful for the prediction of y.

Step-by-step explanation:

Solution:

In a multiple linear regression analysis, the statistical model utility is determined by the value of R2 and ∂2, while the Global F test p-value determines the practical model.

This statement is true because if F statistics is significant, then the entire multiple regression model is useful for the prediction of y.

The F test is a statistical test that is very flexible. F test can evaluate multiple model terms.

The F test indicates whether a linear regression model provides a better fit to data than a model that contains no independent variable.

The F test for overall significance has two hypotheses:

1- Null hypothesis:

                              The fit of the intercept only model and your model are equal.

2- Alternative hypothesis:

                               The fit of the intercept-only model is significantly reduced compared to your model.

Compare p-value for the F test,

If the p-value is less than the significance level, the sample data provide sufficient evidence  that the regression model fits the data better with no independent variable.

5 0
3 years ago
??????????????????????????????????
lina2011 [118]

Answer:

2x + 4 I would assume

3 + 1 = 4

(combining like terms)

6 0
2 years ago
Read 2 more answers
A circle has area 2251 m2. What is its diameter?
Gemiola [76]

Answer:

53.54m

Step-by-step explanation:

Using the formulas

A=πr2

d=2r

Solving for d

d=2A

π=2·2251

π≈53.53562m

8 0
3 years ago
Shawna lives in an apartment 9 4/5 miles from the hospital where she works. Her brother rents a room in a house 7 2/5 miles from
tamaranim1 [39]

Answer:

2 2/5 miles

Step-by-step explanation:

6 0
2 years ago
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