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Answer:

x = -3

Step-by-step explanation:

5x + 4y = 1

y = 1 - x

• Substitute (1 - x) into y:

5x + 4(1 - x) = 1

• Distribute:

5x + 4 - 4x = 1

• Combine like terms:

x + 4 = 1

• Subtract the 4 to solve for x:

x = -3

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Round to the nearest tenth if needed.

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On his way to a job site, Spencer stops to buy bags of concrete mix. Each bag weighs 60 pounds. Spencer’s truck can carry at most 1,700 pounds, and he already has 320 pounds of tools and other equipment in his truck. What are the possible numbers of bags of concrete mix Spencer can buy?

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PLEASE HELP *78 POINTS* (WILL MARK BRAINLIEST)

Greg's favorite activities are bike riding and hip-hop dancing. He wants to try to do these activities for 6 hours each week. He would also like to try to burn off about 2,100 calories a week. He finds that biking uses about 425 calories each hour and hip-hop uses about 325 calories each hour. He wants to do bike riding for x hours and hip-hop dancing for y hours each week.
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a) 0
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c) 1/det(A)
d) 1
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Find KL pls fast correct answer

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PLS HELP I NEED AN ANSWER PLS

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Frederick and Fabricio enjoy catching Pokémon every day. They have developed different techniques of catching as many Pokémon as possible in an hour. Frederick represented the results of his catching techniques in the graph below, where the x-axis represents the time in hours and the y-axis represents the number of Pokémon in his pokeballs, while Fabricio decided to represent his results as the function f(t)=15t. After how many hours would Frederick have more Pokémon than Fabricio?

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Convert 29.5 kilograms to grams.

Enter your answer in the box.

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PLEASE NO LINKS- I WILL REPORT YOU.
Need help-
Thank you!!!

5. The title of most cabinet members is?

general
secretary

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Find the lines of symmetry for each shape. Select all that apply.​

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The coordinate grid shows the graph of four equations:

A coordinate grid is shown from negative 12 to positive 12 on the x axis and also on the y axis. Line A passes through the ordered pairs negative 3, 4 and 9, negative 2. Line B passes through the ordered pairs 2, 8 and 8, negative 8. Line C passes through the ordered pairs negative 3, negative 4 and 4, 6. Line D passes through the points 2, negative 2 and 5 and 6.
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. What are the two factors of 3x^2+
13x + 14

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