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3 years ago

Lesson Check (4.MD.C.7)

Mathematics

1 answer:

vredina [299]3 years ago

8 0

The measure of Zx is 4

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Set up and solve a system of equations to solve the problem.

NeTakaya

Answer:

The boys club sold 52 bags of hardwood mulch and 84 bags of pine bark mulch

Step-by-step explanation:

Let

x ----> the number of bags of hardwood mulch sold

y ----> the number of bags of pine bark mulch sold

we know that

A local boys club sold 136 bags of mulch and made a total of $400

$x+y=136$ ----> equation A

$3.25x+2.75y=400$ ----> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

Using a graphing tool

The solution is the point (52,84)

see the attached figure

therefore

The boys club sold 52 bags of hardwood mulch and 84 bags of pine bark mulch

6 0

4 years ago

1 ln(1) + 2 ln(2) + 3 ln(3) + ⋯ + 10 ln(10)

Lapatulllka [165]

Answer:

$\ln(1\cdot2^{2} \cdot3^{3}\cdot4^{4} ...\cdot10^{10} )$

Step-by-step explanation:

By logarithm rules

$\ln1+2\ln2+3\ln3+....+10\ln10\\\ln1+\ln2^2+\ln3^3+....\ln10^{10}\\\ln(1\cdot2^{2} \cdot3^{3}\cdot4^{4} ...\cdot10^{10} )$

6 0

3 years ago

What is the solution of the system?<br> y=x^2-4x+5<br> Y=-2+8

Nataly_w [17]

Yea something is not right.if y=6 then you cant solve the system because you end up with x^2-4x-1

5 0

4 years ago

2 good 2 be truee???? pls help

Kaylis [27]

Answer:

the correct answer is 23$

Step-by-step explanation:

15% off takes 15% of the whole price

hope this helps

4 0

3 years ago

What is the weight of a square on this hanger if a triangle weighs 3 grams?<br>

Sedbober [7]

Answer:

it would be 36grms

Step-by-step explanation:

2 triangles makes a square

count how many sides in a cube

multi. how many triangles are in a side to how many sides

times how many triangles to how much grams each triangle weights

3 0

3 years ago