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katrin2010 [14]
3 years ago
9

Robert, a ninth-grader, has just been told, "The reason you’re having so much trouble with division is that you have never maste

red compound multiplication. The Math Basic Skills Tests have indicated this quite clearly. We are going to provide you with instruction in multiplication immediately." Robert’s teacher made what kind of decision relative to his skill level?
Mathematics
1 answer:
Brums [2.3K]3 years ago
7 0

Answer:

Diagnostic

Step-by-step explanation:

The teacher made a diagnostic decision relative to Roberts skill level. Before she made this decision, she first started with the process of evaluation to know his strength and also establish his weakness. With the knowledge she has gotten she now plans to him with meaningful learning and an efficient curriculum that would help him in mastering multiplication first before division.

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Can anyone help me? Which function is graphed on the right?
Kazeer [188]
<h2>Answer:</h2>

y=2^{\left(x-2\right)}+3

<h2>Step-by-step explanation:</h2>

To solve this problem, we need to start with the parent function of the exponential function, which is f(x)=a^x, where a is the base. In our problem, a=2, so our parent function here is y=2^x. Then, we need to perform some transformations to our parent function. Thus:

1. Vertical shrink:

A vertical shrink is a nonrigid transformation because the graph of the function get a distortion in the shape, so this transformation is as follows:

g(x)=cf(x)

where c in this problem equals 0.25 because:

y=0.25(2^x) \\ \\ y=\frac{1}{4}(2^x) \\ \\ y=\frac{2^x}{2^2} \\ \\ y=2^{(x-2)}

2. Vertical shift:

The graph of the function y=2^{(x-2)} get a vertical shift given by:

y=2^{(x-2)}+3

So the graph is shifted 3 units up. So the result is the graph shown above.

7 0
3 years ago
Read 2 more answers
Which expression is equivalent to the expression shown below?
natka813 [3]

Answer:

vcbnvjhgbvnhtrgbhj hy6tyuk

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
If the ratio of the arc length to r is 1, then the measure of is 1 radian.
bixtya [17]
Well the radian is the measure of the radius
this line measure is then ligned up to the circumference
mearuse of 1 raidan is always equal to the measure of the radius therfor the true statements are

ratio of arc legnth to r is always equal to 1

I'm not sure what 'if the measure of is'

but I think the answer is
if the measure of is 1 radis, than the arc legnth is r since r reaprensents radius

so first and third choice are correct
5 0
3 years ago
Can somebody help me <br> -2(x+5)
Anika [276]

Answer: -2x - 10

Steps: -2(x+5)

Apply the distributive law [ a(b + c) = ab + ac ]:

a = -2,  b = x,  c = 5

-2x + (-2) × 5

Apply minus/plus rules: -2x - 2 × 5

Multiply the numbers: 2 × 5 = 10

-2x - 10

Plz mark brainliest:)

5 0
2 years ago
HELP ME ASAP. The answer is -10 but explain it how to do it step by step. -6+(-30) divided by 5-(-2)
Alex777 [14]

Step-by-step explanation:

Following the order of operations we would first divide -30 by 5 which would give us -6

-6 + (-30) ÷ 5 - (-2)

From here we can add -6 + -6 = -12

-6 + (-6) - (-2)

When subtracting a negative number, the two negatives changes it to a positive. (-12) - (-2) = (-12) + 2 which would give us -10

(-12) - (-2) = -10

~Hope this helps!~

4 0
3 years ago
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