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Ugo [173]
3 years ago
15

The value of 2 x + 2 y , for x = 7 and y = 3, is 50.TrueFalse

Mathematics
2 answers:
denis-greek [22]3 years ago
4 0
The answer is False as they add up to 20 only
hope it helped ;)
Anna11 [10]3 years ago
4 0
2*7 + 2*3=50

14 + 6 ¥ 50
20 ¥ 50 false
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Which linear inequality is represented by the graph?
Tema [17]

Answer:

y\leq \frac{2}{3}x+\frac{1}{5}

Step-by-step explanation:

step 1

Find the equation of the solid line

Find the slope

we have

(0,0.2) and (3,2.2)

m=(2.2-0.2)/(3-0)=\frac{2}{3}

The y intercept b is equal to

b=0.2=\frac{2}{10}=\frac{1}{5}

so

the equation of the solid line  in slope intercept form is equal to

y=\frac{2}{3}x+\frac{1}{5}

step 2

Find the equation of the inequality

we know that

The solution of the inequality is the shaded area below the solid line

therefore

y\leq \frac{2}{3}x+\frac{1}{5}

3 0
3 years ago
Read 2 more answers
explain how multiplying a whole number and a decimal is similar to and different from multiplying whole numbers
Mrac [35]
It's similar because u still with have an answer weather its a decimal or not. And it's different because when your multiplying whole number u will just get whole numbers.
6 0
3 years ago
AOC and BOD are diameters of a circle, centre O. Angles BAD and CDA are 90°. Prove that triangle AND and triangle DCA are congru
ololo11 [35]

Answer:

By using SAS which stands for Side, Angle, Side.

Step-by-step explanation:

This means that if we have two angles and side measures that are equal to the corresponding angles and side measures of the other triangle then they are congruent.

5 0
2 years ago
Adam is 4 years older than Tara. Five years ago the sum of their ages was 48. Use algebraic equations to represent the situation
lord [1]

Answer:

Tara is 27 and Adam is 31.

Step-by-step explanation:

Tara: x years old

Adam: x+4

Subtract the five years to get their current age

x-5 and x+4-5

x-5 and x-1

(x-5) + (x-1) = 48

x-5 + x-1 = 48

2x - 6 = 48

2x= 48+6

2x= 54

x= 27

Tara is 27 and Adam is 31

3 0
3 years ago
25ft+25ft+20ft+20ft+2.5ft+2.5ft+8ft+13ft
Anna71 [15]

we are given

25ft+25ft+20ft+20ft+2.5ft+2.5ft+8ft+13ft

Since, every value is in ft

so, we can take out ft

=(25+25+20+20+2.5+2.5+8+13)ft

now, we can add them

and we get

=116ft............Answer

7 0
3 years ago
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