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Alexxandr [17]
3 years ago
14

Give one example of when you would use the friendly numbers strategy to subtract

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
7 0
When there are one positive and one negative 
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What are three equivalent ratios to 18:4
AveGali [126]
\frac{18}{4} = \frac{9}{2} \\\\\frac{18}{4} = \frac{36}{8} \\\\\frac{18}{4} = \frac{90}{20} \\\\
8 0
2 years ago
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Point Q' is the image of (-5,1) under a translation by 6 units to the right and 2 units down
Slav-nsk [51]

Answer:

The object coordinate Q is (-11,3 )

Step-by-step explanation:

The translation is given as : ( 6,-2 )

The image coordinates for Q' is ( -5,1 )

So, to get the coordinates of object point Q (x,y), will be;

 Q (x,y)  + ( 6,-2 )---translation --------------⇒image Q' ( -5,1 )

Thus,

x+6 = -5

x= -5-6= -11

and

y+ -2 = 1

y-2=1

y=1+2 =3

Thus the object point coordinates Q is (-11,3 )

4 0
3 years ago
A two digit number is 4 times the sum of its digits and twice the product of its digit.FIND THE NUMBER
Dmitrij [34]
X - tenths digit
y - units digit

10x+y=4(x+y)\\
10x+y=2xy\\\\
10x+y=4x+4y\\
10x+y=2xy\\\\
6x=3y\\
10x+y=2xy\\\\
3x=y\\
10x+y=2xy\\\\
10x+3x=2x\cdot3x\\
13x=6x^2\\
6x^2-12x=0\\
6x(x-2)=0\\
x=0 \vee x=2\\\\
y=3\cdot2\\
y=6\\\\
10\cdot2+6=\boxed{26}
5 0
2 years ago
Jesse wants to build a wooden chest with a volume os 8,100 cubic inches. the length will be 30 inches and the width will be 15 i
Veronika [31]
30x15=450 so 450x18 will =8,100
It is 18 inches
4 0
3 years ago
Find ration aqual to the radio given 12:7
Veronika [31]
12:7*2=24:14

The radio is of 12:7 is 14:14
3 0
3 years ago
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