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Gennadij [26K]
3 years ago
9

(2x+6)(5x-1) Foil method

Mathematics
1 answer:
WINSTONCH [101]3 years ago
8 0
Multiple 2x * 5x =10x^2
Multiple 2x * -1 = -2x
Multiple 6 * 5x = 30x
Multiple 6 * -1 = -6
Add 30x + (-2x) = -28x
10x^2 + 28x -6 is the final answer
You might be interested in
Pls help me it’s math
Elina [12.6K]

Answer:

1. 16 in

2. 30.72 m

Step-by-step explanation:

scale factor 1:12 where 1 is the model and 12 is the actual.

This means the actual length is 12 times larger than the model.

 1.  Take the actual length (16 ft) and divide by 12.

16 ft/12= 4/3 ft(1.333...)

The answer need to be in inches so you will multiply 4/3 ft* 12 to find the length in inches.

4/3*12/1= 48/3= 16 in

 2.    Take the model length (256 cm) and multiply by 12.

256* 12= 3072 cm

The answer needs to be in meters so you will divide 3072 cm by 100 to find the length in meters.

3072/ 100= 30.72 m

3 0
3 years ago
A geometry student says; "I got lost in that lesson - I wrote down that AD/AB = AC/AB but I have no idea
fiasKO [112]

Answer:

Therefore the choice is

a) AD/AB=AB/AC

Step-by-step explanation:

In  Δ ADB and Δ ABC  

∠A ≅ ∠A    …………..{Reflexive Property}

∠ ADB ≅ ∠ ABC      ..............{ measure of each angle is 90° given }

   

Δ ADB ~ Δ ABC ….{Angle-Angle  Similarity test}

If two triangles are similar then their sides are in proportion.

\frac{AD}{AB} =\frac{AB}{AC}\ \textrm{corresponding sides of similar triangles are in proportion}\\  

Therefore the choice is

a) AD/AB=AB/AC

3 0
3 years ago
Which ordered pair is a solution of the equation y-4=7(x-6) A.(5,4) B.(6,5) C.(5,4)(6,5) D.Neither
Natasha_Volkova [10]

Answer:

D. Neither

Step-by-step explanation:

3 0
4 years ago
There are 15 students in a kindergarten class. If each kindergartner can have only one task, in how many ways can the teacher as
dybincka [34]

Answer: 75 possible ways

Step-by-step explanation:

Multiply the number of kindergarten students by the number of tasks to get how many possible ways the tasks could be assigned.

15 students * 5 tasks = 75 possible outputs

4 0
4 years ago
Read 2 more answers
Help me out please??????
Jobisdone [24]

Answer:

sorry dont know just did this to get 5 pionts :)

Step-by-step explanation:

4 0
3 years ago
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