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Antoinette solves the linear equation 3(x-3)+2x+9 = 2X+ 2(x-1) using the steps shown below.Step 1: 3x-3+2x+9 = 2x+ 2x-Step 2: 5x+6= 4x-1Step 3: 5x-4x=-1-6Step 4: X=-7She checks her solution by substituting -7 for x in the original equation. She determines that her answer is incorrect. Which bestdescribes Antoinette's error?She distributed incorrectly.She incorrectly combined like terms.She incorrectly applied the addition and subtraction properties of equality.She incorrectly applied the multiplication and division properties of equality
General
4 months ago
ΔMNO is shown.Which Δ below can be shown to be congruent to ΔMNO with only the given information? Name the postulate that justifies your answer (SAS, AAS, HL, ASA or SSS).Write the congruency statement for the triangles.
General
4 months ago
Calculate the number in the middle of 11 and 24
General
4 months ago
A commercial crabber catches more than 1,000 crabs and measures the shells, and finds the mean length is 6.8 inches with a standard deviation of 3.2 inches. Assuming these measures are true for the population, if the crabber takes many random samples of size 50, what proportion of the sample means would we expect to be greater than 6 inches? A. 0.8815 B. 0.9615 C. 0.0385 D. 0.1848 E. 0.4999
General
4 months ago
What is a random variable? Choose the correct answer below. A. A random variable is a numerical measure, having either a finite or countable number of values, of the outcome of a probability experiment. B. A random variable is a numerical measure of the outcome of a probability experiment. C. A random variable is a numerical measure, having values that can be plotted on a line in an uninterrupted fashion, of the outcome of a probability experiment.
General
4 months ago
Snowdon has a height of approximately 1100 metres above sea level.Assuming that temperature decreases by 1°C for every 100 metres abovesea level, work out the temperature at the summit of Snowdon when thesea level temperature is 4°C.
General
4 months ago
Please helpThe diameter of the sun is approximately 1.39 x 10^6 km. The diameter of Mercury is approximately 4.88 x 10^3 km. About how many times larger is the diameter of the sun that the diameter of Mercury?a. 3 x 10^3 times largerb. 2.8 x 10^4 times largerc. 2.8 x 10^2 times largerd. 0.28 x 10^3 times larger
General
4 months ago
What kind of net worth does this person have?Item Value ($)house debt 32,695car (paid off) 7,000cash 728.65savings 3,415borrowed from parents 2,680credit card debt 1,207.80jewelry (owned) 900Question 5 options:a. positive net worthb. negative net worthdon't guess or no brainliest...
General
4 months ago
In a football tournament, the Bees scored 9 less than three times as many points as the Hornets. The Wasps scored 28 more points than the Hornets. Together the three teams scored 184 points. Let x represent the number of points scored by the Hornets. Complete the steps to solve the equation (3x – 9) + x + (x + 28) = 184. Then answer the question. 1. Combine like terms. 2. Use the subtraction property of equality. 3. Use the division property of equality. 4. Use the variable to answer the question. How many points did the Bees score? points
General
4 months ago
If $4,000,000 is invested at 5% interest compounded continuously, how muchwill the investment be worth in 25 years?
General
4 months ago
The savings account offering which of these APRs and compounding periods offers the best APY? 4.0784% compounded monthly4.0798% compounded semiannually4.0730% compounded daily
General
4 months ago
Factor completely: x4 + 8x2 + 16
General
4 months ago
You are sailing from your lakeshore cabin to a marina 60º north of east and 0.5 miles across the lake.Which of the following expressions uses the complementary angle of 60° to determine how far you would travel on your trip west?a.0.5cos30°b.0.5cos60°c.0.5sin30°d.0.5sin60°
General
4 months ago
During a day a student spends 7 hours sleeping, ¹/4 of the day studying and of the time travelling. What fraction of the day is left for other things?
General
4 months ago
Complete the following multiplication problems. a. 0.34 × 6 b. 0.11 × 4 c. 17 × 0.07 d. 28 × 0.003 e. 3.8 × 5 f. 5.931 × 7 g. 14.07 × 13 h. 3.005 × 32 i. 0.8 × 0.3 j. 0.45 × 0.05 k. 0.09 × 0.02 l. 0.074 × 0.08 m. 2.3 × 0.9 n. 7.25 × 0.3 o. 4.53 × .003 p. 53.67 × 0.056 q. 1.1 × 3.7 r. 3.76 × 18.9 s. 4.57 × 6.1 t. 24.13 × 1.48
General
4 months ago
A projectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t² + 704t. After how many seconds does the projectile take to reach its maximum height? Show your work for full credit.
General
4 months ago
0.05 is 1/10 the value of?
General
4 months ago
Sean and his sister, Betty equally mow 8/9th the total area of a lawn. What fraction of the total area did each of them mow? (Show ur work plz)
General
4 months ago
For what values of b does the value of the fraction 5−2b /4 belong to the interval [−2; 1]?
General
4 months ago
Alex wants to start an IRA that will have $1,250,675 in it when he retires in 30 years. How much should he invest semiannually in his IRA to do this if the interest is 4.5% compounded semiannually? Assume an Annuity Due. Round to the nearest cent.
General
4 months ago
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