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icang [17]
3 years ago
11

Write an expression for the calculation double 7, multiply 3 and 1, and then subtract the second number from the first number

Mathematics
1 answer:
damaskus [11]3 years ago
6 0
7+7=14 3×1=3 3-7=4 Your answer is 4
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I need help like asap!!!!
bagirrra123 [75]

Answer:

to do this lets first solve this so

5*5*5*5=625

5^-3=0.008

0.008^2=0.000064

0.000064*625=0.4

so all equations that are equal to 0.4 are right which is C

7 0
3 years ago
A supermarket had bags of red grapes for $13.00 for 5 bags. They also had bags of green grapes priced at $5.08 for 2
boyakko [2]

Answer:

Green grapes are less expensive.

Step-by-step explanation:

5.08/2 = 2.54

Multiply that by 5

You get $12.70 for 5 bags.

6 0
3 years ago
Which set of steps can be used to prove the sine sum identity, sin(x + y) = sin(x)cos(y) + cos(x)sin(y)? Use the complementary r
Vilka [71]

Answer:

[A]  use the complementary relationship between sine and cosine to rewrite sin(x + y) as cos(pi/2-(x+y)). apply the cosine sum identity. then simplify using sin(–y) = –sin(y) and cos(–y) = cos(y).

Step-by-step explanation:

i got it right

screw that other person l0l

note that sin(-x)=-sin(x) and cos(-x)=cos(x)

so sin(-y)=-sin(y) and cos(-y)=cos(y)

or something like that idfk

7 0
3 years ago
Help!<br> Find the sum<br> -1/2 + 3/10
sertanlavr [38]

Answer:

-1/5

Step-by-step explanation:

make them have the same denominator by multiplying -1/2 by 5 on the bottom and top which then gives you -5/10 + 3/10 that then gives your -2/10 which reduces to -1/5

7 0
4 years ago
Find the value of the variable.
Artist 52 [7]

Answer:

x=8

base side of isosceles triangle

y=√{8²+8²}=8√2

8 0
3 years ago
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