MATHEMATICS MIDDLE SCHOOL

Which of the following is a correct interpretation of the expression 2 +7

Answers

Answer 1

Answer:

Answer:

The number that is 7 to the right of 2 on the number line

Step-by-step explanation:

Answer 2

Answer:

Answer:

9...

Step-by-step explanation:

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Last month, he sold 50 chickens and 30 ducks for $550. This month, he sold 44 chickens and 3636 ducks for $532. How much does a chicken cost, and how much does a duck cost?

Find the the supplementary angle of 128.9

Answers

The supplementary angle is 51.1 degrees

I actually don’t get this and I have a test in 2 days please help what is g(x) and how

Answers

first off, is noteworthy that's the graph of an exponential function, thus the function will be along the lines of g(x) = abˣ , now, what's "a" and "b" values?

well, let's take a peek when x = 0 and x = 1.

$\bf g(x) = ab^x \n\n[-0.35em] ~\dotfill\n\n \begin{cases} x = 0\n y = 1 \end{cases}\implies 1=ab^0\implies 1=a(1)\implies \boxed{1=a} \n\n[-0.35em] ~\dotfill\n\n \begin{cases} x = 1\n y = 4 \end{cases}\implies 4 = ab^1\implies 4=1b^1\implies \boxed{4=b} \n\n[-0.35em] ~\dotfill\n\n ~\hfill g(x) = 4^x\qquad \qquad \qquad \begin{array}{|c|c|ll} \cline{1-2} x&y\n \cline{1-2} -2&(1)/(4^2)\to (1)/(16)\n -1&(1)/(4)\n 0&1\n 1&4\n 2&16\n \cline{1-2} \end{array}~\hfill$

Solve for j h-8/j=k solve in literal equations

Answers

given that

$(h - 8)/(j) = k$

multiply through by j, sinceit'stheL.C.M

thus

$j * (h - 8)/(j) = k * j$

cancel out, leaving

$h - 8 = jk$

making j the subject by dividing through by k

$(h - 8)/(k) = (jk)/(k)$

$j = (h - 8)/(k)$

as the final expression for j

Answer:

J=h-19/k

Step-by-step explanation:

Can someone explain to me how to do this? :

8^2y+4 = 16^y+1

Answers

Answer:

y = -4

Step-by-step explanation:

Assuming the problem is $8^(2y+4)=16^(y+1)$ , it would be nice if we could convert both sides of this equation to the same base; that way, we could compare the exponents directly in an equation of their own. Fortunately, 8 and 16 are both powers of 2 -- $2^3$ and $2^4$ , we can rewrite the original equation by substituting those in:

$(2^3)^(2y+4)=(2^4)^(y+1)$

When you have an exponent raised to another exponent, you multiply those exponents together, so we can simplify our equation by distributing a 3 in the left exponent and a 4 in the right:

$2^(3\cdot(2y+4))=2^(4\cdot(y+1))\n2^(3\cdot2y+3\cdot4)=2^(4\cdot y+4\cdot1)\n2^(6y+12)=2^(4y+4)$

With both of our bases the same, we can now simply compare their exponents directly to solve for y:

$6y+12=4y+4\n2y=-8\ny=-4$

1. What is the least common multiple of both 9 and 12?2. What is the greatest common factor of both 9 and 12?
Need answers to both of them please label them Please!!!!!!

Answers

1. the least common multiple of 9 and 12.
9 18 27 36
12 24 36
36
2. GCF of 9 and 12
1 3 9
1 2 3 4 6 12
3

Please help with triangles

Answers

The first is a right triangle because there is a right angle, and it is scalene because none of the sides are congruent.

The second is an obtuse triangle because there is an obtuse angle, and it is an isosceles triangle because two of the sides are congruent.

The third is an acute triangle because all of the angles are acute, and it is an isosceles triangle because two of the sides are congruent.

The fourth is a right triangle because it has a right angle, and it is a scalene because none of the sides are congruent.

the fourth one is an acute triangle

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