Step-by-step explanation:
I think the first equation is the correct answer
After calculating he can buy 11 laptops and 19 tablets
Answer:
Step-by-step explanation:
5x+30=45
5x+30 -30=45 -30
5x =15
divid by 5 : x =3
equations that are equivalent to 5x+30=45 are : 5x =15 and x =3
Answer:
y = - x^2 + 4
which agrees with answer B
Step-by-step explanation:
Notice the graph is that of a quadratic function centered on the y-axis, with negative leading coefficient (branches of the parabola pointing down), and with vertex on the y-axis at the point (0, 4).
Therefore its equation is best represented by:
y = - x^2 + 4
which also crosses the x axis at the points x = -2 and x= 2, in agreement with the graph.
22 cm is the answer bc u simplify 22/7 into 3 1/7 and multiply that by 14 and then divide it by 2
