The expression 4a+2b gives the cost (in dollars) for a sandwiches and b bags of chips at a sandwich shop.

Solved

Show answers

Ответ:

skylarschumacher7

28.08.2021

Mathematics

I'm not sure how you obtained -5 as your answer but this is the mathematical explanation. hope this helps!
${x}^{2} + 3x = 40 \\ {x}^{2} + 3x - 40 = 0 \\(x + 8)(x - 5) = 0 \\ x = - 8 \\ x = 5$

0,0(0 оценок)

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.

Ask your question

More tips

G Goods and services How to Choose the Best Publishing House for Your Children s Book: Tips and Recommendations...
S Science and Technology When do we change our clocks?...
A Animals and plants How to Teach Your Parrot to Talk?...
F Family and Home How to Remove Fading from Clothes: Tips and Tricks...
F Food and Cooking How to Make Polendwitsa at Home?...
F Family and Home Parents or Environment: Who Has the Most Influence on a Child s Upbringing?...
P Philosophy Unbelievable stories of encounters with otherworldly forces...
L Leisure and Entertainment How to Choose the Perfect Gift for Men on February 23rd?...
H Health and Medicine How to Treat Whooping Cough in Children?...
H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...

Answers on questions: Mathematics

M Mathematics Plz answer these questions. two of them are yes and no the other is an equation...
M Mathematics Based on the line plot shown below, which amount of cheese was ordered once?...
M Mathematics Determine the permanent life insurance amount per thousand given that the policy belong with an annual premium of $2,441.53 and a face value of $91,000 on a 20-Payment...
M Mathematics Use the spinner to identify the probability to the nearest hundredth if the pointer landing on a non-shaded area....
M Mathematics One diagonal of a kite is twice as long as the other diagonal. If the area of the kit is 240 square inches, what are the lengths of the diagonals?...
M Mathematics (Picture) Inflation/interest/spending power...
M Mathematics Given x = 18 and σ =2 , which of the following best represents the proportion of scores falling above 19? a.31% b.18% c.41% d.22%...
M Mathematics Can someone find the equation that equals this in algebra tiles...
M Mathematics Yvonne is constructing a line perpendicular to and passing through point A on using only a compass and a straightedge. She has drawn arcs with a compass of set width centered...
M Mathematics Verify which of the following are identities.1) 2)...

Ask an AI advisor a question

I want advice