1. Consider a 4 digit number abcd and show that abcd−(a+b+c+d) is always divisible by 9. (Ex 1234 − 10 = 1224 = 9 · 136).

Q: Would both of these questions have the same answer? 450+550/10 450+550 --------- 10

A: Given           450 + 55010  and 450 + 55010

Q: I need help very much with this questions so i would be so thankful if you could help me with these!…

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Q: 3. Suppose that a, b and c are positive integers with 2"365c = 36000. What is the value of 3a + 4b…

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Q: 7 ➕ 15÷5+6+5

A: We have given an expression,7 ×15÷5+6+5

Q: Need help with all, please and thank you.

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Q: 3. Consider the numbers A and B below. A = 235 × 512 × 7²1 B = 223 x 37 x 732 (a) Consider the…

A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…

Q: From a point 4 miles north of a cell tower, a hiker walks 2.5 miles west. How far is the hiker from…

A: Let us first make a diagram to understand the problem better. The hiker is initially at A, 4 miles…

Q: 4.) Mr. Mitchell lost 10 pounds over the summer by jogging each week. By winter time, he had gained…

A: In equation we are equating two sides left hand side and right hand side. It contains variable,…

Q: (m")(2*)(m)(m³) (m')(2) Simplify and then evaluate for m = 3 and n= 7. %3D O a) (m*)(2?) = 3969 %3D…

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Q: . Dan is m years old. Eric is twice as old as Dan. (a) Write an algebraic expression for eric's age…

A: We can answer all the three question as below

Q: Given two natural numbers a and b, how would you check whether a/b has a terminating decimal…

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Q: How many multiples of 5 are there between 199 and 1,198? Hint: an = a₁ + d(n − 1), where a₁ is the…

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Q: 13. Find the real numbers missing from the following equation (that is, rewrite the equation with…

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