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3 years ago

Quiero saber sobre Álgebra

1 answer:

6 0

Algebra has variable. Finding the slope and y-intercept.
<span>Algebra tiene variable. Encontrar la pendiente y la intersección con el eje y</span>

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Geometry help please! Match the reasons with the statements.

SSSSS [86.1K]

Given:

∠PRS and ∠VUW are supplementary.

To prove:

Line TV || Line QS

Solution:

Step 1: Given

∠PRS and ∠VUW are supplementary.

Step 2: By the definition of supplementary angles

$m\angle {PRS}+m\angle {VUW}=180^{\circ}$

Step 3: Angles forming a linear pair sum to 180°

$m\angle {PRS}+m\angle {SRU}=180^{\circ}$

Step 4: By transitive property of equality

step 2 = step 3

$m\angle {PRS}+m\angle {VUW}=m\angle {PRS}+m\angle {SRU}$

Step 5: By algebra cancel the common terms in both side.

${m} \angle {VUW}={m} \angle{SRU}$

Step 6: By converse of corresponding angles postulate

Line TV || Line QS

Hence proved.

6 0

3 years ago

11. 8 cars are in the parking lot. Then 6 more cars come. How many cars are there now? 12.stretch your thinking. Look at the sto

Sholpan [36]

Answer:

#11 : 14 cars

#12 : 8+6+4=18

Step-by-step explanation:

8 0

4 years ago

Evaluate 9P2- need to make a good grade

Svetllana [295]

81, if you mean 9 Squared.

3 0

3 years ago

Solve 2cos x+2cos 2x=0 on the interval [0,2pi)

rjkz [21]

$2cosx+2cos2x=0 \\ -2sin^2x+2cos^2x+2cosx=0 \\ -2(1-cos^2x)+2cos^2x+2cosx=0 \\ -2+2cos^2x+2cos^2x+2cosx=0 \\ 4cos^2x+2cosx-2=0 \\ t=cos x \\ 4t^2+2t-2=0 \\ \Delta=4+32=36 \\ t_1= \frac{-2-6}{8}=-1 \\ t_2= \frac{-2+6}{8}= \frac{1}{2} \\ cos x=-1 \lor cos x= \frac{1}{2} \\ x=-\pi \lor x= \frac{5\pi}{3}$

6 0

3 years ago

Read 2 more answers

-3 1/2 x 5 5/6. Plz help me what's the answer plz

Kitty [74]

Exact Form: -245/12 , Decimal Form: -20.4166666, or Mixed Number Form: -20 5/12

4 0

3 years ago