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3 years ago

Please help me on this question?

Mathematics

2 answers:

seropon [69]3 years ago

4 0

If this is a word expression, then this is probably correct but idk what a word expression is so here goes.

15 plus twenty times four

NeTakaya3 years ago

3 0

Four times fifteen plus twenty in parentheses
idk if its correct though <span />

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GIVING BRAINLIEST IF YOU CAN HELP PLEASE

alex41 [277]

Answer:

The rate of change will be $25

Step-by-step explanation:

Since she started from $45 we have to count again so on the chart it goes 5, 10, 15, 20, and 25!

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2 years ago

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Hamburger is sold 2 pounds for $4. If Alicia buys 10 pounds of hamburgers, how much will she pay?

raketka [301]

Answer:

Step-by-step explanation:

you multyply 4 by 10 to get 40 or add 4 10 times

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2 years ago

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A study conducted an experiment with 22,000 women over 10 years to investigate whether a high-stress job leads to heart problems

solniwko [45]

The sample of the group would be the 22,000 participants.

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2 years ago

Casper has some whipping cream that is 18%, percent butterfat, and some milk that is %4, percent butterfat. He wants to make a 5

steposvetlana [31]

L represent Option A. The correct answer is that the mixture has the intended volume and has more than the intended percent of butterfat.

<h3>What is the graph about?</h3>

Note that:

The graph shows that the point L is one that is below the blue line of the graph.

Therefore, x + y = 500

Also one need to see that:

0.18x + 0.04y = 500(0.12)

Since that cream is 18% butterfat, milk is 4% butterfat, so L is composed of of 350 ml of cream and 100 ml of milk.

Hence the total amount of butterfat for L is:

0.18 x 350 + 0.04 x 100

= 67ml.

Next, one has to calculate 12% of the volume of L :

12% of 450:

0.12 x 450 = 54ml

So, because 67 is bigger than 54, this implies that the volume of butter fat in L is more than 12 %.

Read more on mixture here:

brainly.com/question/24869423

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2 years ago

The 3rd and 6th term of a geometric progression are 9/2 and 243/16 respectively find the first term, common ratio, seventh term

sashaice [31]

Answer:

Hello,

Step-by-step explanation:

$Let\ (u_n)\ the\ geometric\ progression.\\\\r\ is\ the\ common\ ratio.\\\\u_3=u_0*r^3\\u_6=u_0*r^6\\\\\dfrac{u_6}{u_3} =r^3=\dfrac{\frac{243}{16} }{\frac{9}{2} } =\dfrac{27}{8} =(\frac{3}{2} )^3\\\\\boxed{r=\dfrac{3}{2} }\\\\\\u_3=u_1*r^2 \Longrightarrow\ u_1=\dfrac{u_3}{r^2} =\dfrac{\frac{9}{2} }{(\frac{3}{2^2}) } =2\\\\\\u_7=u_6*\dfrac{3}{2} =\dfrac{729}{32}$

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3 years ago