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Rudik [331]
3 years ago
8

If a number and a variable are together with no sign between them, what operation does that show?

Mathematics
1 answer:
bagirrra123 [75]3 years ago
6 0

Answer:

Multiplication

Step-by-step explanation:

If you were to solve 8x x x, you wouldn't know what that means. So, normal people place variables and numbers together to represent multiplication.

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Consider the congruent triangles shown.
Sergeeva-Olga [200]

Answer:

d. idfk what im doing on here

6 0
3 years ago
The time, t, required to travel a fixed distance varies inversely as the
Lemur [1.5K]

You must travel at 42 mph for 4 hours

<em><u>Solution:</u></em>

Time varies inversely as rate of motion

Let "t" be the time required

Let "r" be the rate of motion

Then, we get

t \propto \frac{1}{r}\\\\t = k \times \frac{1}{r}\\\\t = \frac{k}{r} -------- eqn 1

Where, "k" is the constant of proportionality

<em><u>You travel 3 hours at a rate of 56 mph</u></em>

Substitute t = 3 and r = 56 in eqn 1

3 = \frac{k}{56}\\\\k = 3 \times 56\\\\k = 168

<em><u>Find the  rate you must travel for 4 hours</u></em>

r = ? and t = 4

Substitute t = 4 and k = 168 in eqn 1

4 = \frac{168}{r}\\\\r = \frac{168}{4}\\\\r = 42

Thus you must travel at 42 mph for 4 hours

4 0
4 years ago
A recycling station will be placed the same distance from the entrance as it is from the lake. Can the recycling station be loca
o-na [289]

Answer:

Yes.

(4,5)

Step-by-step explanation:

Yes because the entrance and the lake are 18 units away from each other for quadrant 3. Putting the recycling station in Quadrant I,

it will also be 18 units away from each other, therefore it is the same distance either way.They can put the recycling station in quadrant I, (4,5)

8 0
3 years ago
Which answer choice gives three lengths that WILL form a triangle when put
Anni [7]

Answer:

none of them

Step-by-step explanation:

in order for them to be triangle lengths the two shorter size added together have to be greater than the longest side and in each answer choice if you add the two shorter sides none of them are greater than the longer side if that makes sense

8 0
3 years ago
Read 2 more answers
Which statement is represented by this equation? 3(4-x)+8=24​
Anastasy [175]

Answer:

x=4

Step-by-step explanation:

First divide 3 from both sides.

Then minus 8 which makes it 0.

Finally, pull the x to the other side giving you x=4

8 0
3 years ago
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