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jonny [76]
3 years ago
14

-4x- y = -17 still don’t understand it

Mathematics
1 answer:
agasfer [191]3 years ago
6 0

Answer: so the answer is y

=

−

4

x

+

17

Step-by-step explanation:

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A website is selling barbecue grills for $783. The site got the barbecue grills at a cost of $580. What is the mark-up, as a per
olasank [31]

Answer:

35%

Step-by-step explanation:

The price it cost the site to buy the grills was $580 but they were selling them for $783. So for each grill, they get a profit of $203. (783-580=203).

35% of $580 is 203 which adds up to $783

So therefore the markup rate is 35% I hope this helps!

5 0
2 years ago
If a2 + b2 = 11 how much is b2
dolphi86 [110]

the Pythagorean Theoremproof of let ΔABC be a right triangle. and sinA=a/c, and cosA= b/ca opposite side of the angle Ab the adjacent side of the angle Aand c is the hypotenuswe know that  sin²A +cos²A= (a/c)²+ (b/c) ², but  sin²A +cos²A=1so,  a²/c²+ b²/c ²=1 which implies  a²+ b²=c² the answer is Transitive Property of Equality proof the right triangles BDC and CDA are siWe start with the original right triangle, now denoted ABC, and need only one additional construct - the altitude AD. The triangles ABC, DBA, and DAC are similar which leads to two ratios:AB/BC = BD/AB and AC/BC = DC/AC.Written another way these becomeAB·AB = BD·BC and AC·AC = DC·BCSumming up we getAB·AB + AC·AC= BD·BC + DC·BC                          = (BD+DC)·BC = BC·BC.so not in the proof is Transitive Property of Equality


5 0
4 years ago
Read 2 more answers
HELLLPP ANY HELPS PLEASE I NEED HELP I AM RUNNING OUT OF TIME !!
Tju [1.3M]

Answer:

8

Step-by-step explanation:

3(x-2) = 18

=> 3x - 6 = 18

=> 3x = 24

=> x = 8 (Ans)

5 0
3 years ago
Pls I need it like now
Aneli [31]

Answer:

Quadratic equation has equal roots

We know that quadratic equation has two equal roots only when the value of discriminant is equal to zero. We know that two roots of quadratic equation are equal only if discriminant is equal to zero.

Step-by-step explanation:

<u>144</u>

So, c must be 144 to make the trinomial a perfect square.

7 0
4 years ago
Read 2 more answers
Type to justify why the two larger triangles are congruent
dexar [7]

Answer:

HL

Step-by-step explanation:

We are dealing with triangle DAB and CBA.

Angles DAB and CBA are right angles making the triangles right triangles.

Side AB is congruent to side BA. That is a leg of each of the two triangles.

Side DB is congruent to side CA. Tat is a leg of each triangle.

The triangles are congruent by HL.

4 0
3 years ago
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