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ss7ja [257]
3 years ago
9

Translate and simplify if needed :Three less than a number increased by twice the same number

Mathematics
1 answer:
lukranit [14]3 years ago
7 0

Answer:

x^2-3

Step-by-step explanation:

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Uhhh I am struggling with this question algebra 1
Olin [163]

Answer:

-2x^2 +16x -8

Step-by-step explanation:

Oh s-

Like terms i guess Same variable you can substract. Remember you only substract from 1 number not from all.

-2x^2 stays the same as there is no like term

9x - (-7x)

-2 - (6)

-2x^2 + 9x+ 7x -2-6

-2x^2 +16x -8

4 0
3 years ago
determine the value of , if possible. If the triangles are congruent, state which triangle congruence condition you used. If the
PilotLPTM [1.2K]

Answer:

"Can't be determined"

Step-by-step explanation:

From the triangles given in the picture,

Given:

m∠A = m∠C

m∠B = m∠D

But for the congruence of these triangles third condition is not given.

Therefore, congruence of these triangles can not be determined.

So the answer is "Can't be determined"

4 0
3 years ago
The committee is planning a party and 150 guests are expected. Each table seats 12 people. How many tables will be needed to sea
gtnhenbr [62]

Answer:

You will need about 13 tables.

Step-by-step explanation:

I divided the number of guests by 12 and got 12.5 however you can't have half of a table so I rounded up and got 13.

4 0
4 years ago
Jasmine and Daniel each improved their yards by planting grass sod and geraniums. They bought their supplies from the same store
Burka [1]

Answer:

Cost of 1 ft²: $7

Cost of 1 ft² of geranium: $6

Step-by-step explanation:

Let x be the cost of a ft² of grass

Let y be the cost of a ft² of geranium

13x + 9y = 145

4x + 12y = 100

x + 3y = 25

x = 25 - 3y

13(25 - 3y) + 9y = 145

325 - 39y + 9y = 145

180 = 30y

y = 6

x = 25 - 3(6)

x = 7

4 0
4 years ago
Angle BDC measures 42°. What is the measure of angle BAC
ratelena [41]

Answer:

42°

Step-by-step explanation:

These traingles are refelctions, A≅D   B≅C

4 0
3 years ago
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