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miss Akunina [59]
3 years ago
10

I don't know how to do this. Can someone help me please?

Mathematics
1 answer:
Svetach [21]3 years ago
5 0
1. y =220- x
150=220-70
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Pls help me w thissssss
likoan [24]
<h2>22</h2>

In this problem, we need to use <u>multiplication</u> and <u>subtraction</u> method to solve it.

_________________________________

x(y) means to <u>multiply</u> x with y

_________________________________

Note that {a = 7} and {b = 6}

First, we need to multiply 4 with {a = 7}, we get:

4(7) = <em>28</em>

<em />

Then, we need to subtract {b = 6} from <em>28</em>, we get:

<em>28</em> – 6 = 22

Finally, this simplifies as:

4(7) – 6 = 22

<em>Hope this helps :)</em>

5 0
1 year ago
Solve the inequality 5(2x+8)&lt;60
Romashka [77]

Answer:

x < 2

Step-by-step explanation:

5(2x + 8) < 60 ( divide both sides by 5 )

2x + 8 < 12 ( subtract 8 from both sides )

2x < 4 ( divide both sides by 2 )

x < 2

5 0
2 years ago
Read 2 more answers
Help me please o(* ̄▽ ̄*)ブ
Vesna [10]

Answer:

Hey there!

Part a) Distance from Wrexham to Oswetry: 15 miles.

Part b) Ruthin to Oswestry: 33 miles.

Total distance travelled for Part b= 33(5), or 165 miles.

6 0
3 years ago
Fifteen gallons of gasoline can be represented by the coordinates (15,40.8) true or false
sineoko [7]

Answer:

false?

Step-by-step explanation:

4 0
3 years ago
A local trucking company fitted a regression to relate the travel time (days) of its shipments as a function of the distance tra
scZoUnD [109]

Answer:

4.038

Step-by-step explanation:

The simple regression model is:

Time = \hat\beta _{0} + \hat\beta_{1}Distance = -7.126 + 0.0214Distance, then \hat\beta_{1} = 0.0214.

The statistic calculated for the hypothesis test of statistical significance, for the slope, in a simple regression model is given by:

t_{c} = \frac{\hat\beta_{1}-\beta_{1_{0}}}{SE}

with \hat\beta_{1}  the slope estimator, \beta_{1_{0}}  the value of slope in the null hypothesis and SE the standard error of the slope. Thus,

t_{c} = \frac{0.0214-0}{0.0053} = 4.038

5 0
3 years ago
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